99 2.2 s10 engine wiring diagrams - S-10 Forum
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post #1 of 51 Old 12-16-2012, 09:50 PM Thread Starter
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99 2.2 s10 engine wiring diagrams

I would like to build a conversion harness for my s10 swap. I have a 2000 5.3 and harness as well as the stock 2.2 engine harness that came in my truck. The lm7 diagrams are easy to find. Does anyone know where I can get my hands on the engine wiring diagrams for the 99 2.2 engine harness.
Thanks,
Kory


88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #2 of 51 Old 12-16-2012, 11:09 PM
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Re: 99 2.2 s10 engine wiring diagrams

Quote:
Originally Posted by Kory 88Iroc Lt1 View Post
I would like to build a conversion harness for my s10 swap. I have a 2000 5.3 and harness as well as the stock 2.2 engine harness that came in my truck. The lm7 diagrams are easy to find. Does anyone know where I can get my hands on the engine wiring diagrams for the 99 2.2 engine harness.
Thanks,
Kory
you want the harness pinouts? Or diagrams? I can email you the 2.2l and the 5.3 if you want ja.mcdonald@earthlink.net

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post #3 of 51 Old 12-16-2012, 11:25 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

pinouts are probably easier. but I'd take either. I'll email you.
Thanks much.
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #4 of 51 Old 12-21-2012, 03:10 PM
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Re: 99 2.2 s10 engine wiring diagrams

Any chance of getting me one for a 96 2.2 w 60e?

just your average LS2 S10
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post #5 of 51 Old 12-21-2012, 04:30 PM
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Re: 99 2.2 s10 engine wiring diagrams

I don't think they'd do you any good, a 96 truck is too old to do it this way AFAIK.
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post #6 of 51 Old 12-21-2012, 08:42 PM
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Re: 99 2.2 s10 engine wiring diagrams

I only have 98-up

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post #7 of 51 Old 12-21-2012, 09:30 PM
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Re: 99 2.2 s10 engine wiring diagrams

i could really use them. i am doing a 2001 lm7 out of a taho into a 98 that has a2.2 i have both harnesses also.
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post #8 of 51 Old 12-22-2012, 12:21 AM
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Re: 99 2.2 s10 engine wiring diagrams

Quote:
Originally Posted by z4me69 View Post
i could really use them. i am doing a 2001 lm7 out of a taho into a 98 that has a2.2 i have both harnesses also.
Send me an email,

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post #9 of 51 Old 12-22-2012, 08:33 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

I'm just getting started on my harness. The diagrams make this possible. Thanks again for getting them for me.
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #10 of 51 Old 12-22-2012, 10:20 PM
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Re: 99 2.2 s10 engine wiring diagrams

ill get you these in the next few days. It will include pinouts for both harnesses

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post #11 of 51 Old 12-23-2012, 07:09 PM
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Re: 99 2.2 s10 engine wiring diagrams

email sent with pin outs, let me know if you need anything else

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post #12 of 51 Old 01-13-2013, 09:16 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

My harness is comming along great. Does anyone know if there is a pin on the pcm that can be used for the reverse lockout on a t56? If I was to use an fbody harness there is one. Not sure about the truck harness though.
Thanks for all the help.
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #13 of 51 Old 01-13-2013, 11:56 PM
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Re: 99 2.2 s10 engine wiring diagrams

are you using the 411 ecu?

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post #14 of 51 Old 01-14-2013, 12:02 AM
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Re: 99 2.2 s10 engine wiring diagrams

2000 f body reverse lockout shows the c1 and c2 pins needed.


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2000 GMC Jimmy 2wd 2 door / LQ9, L92 heads, 224/230 cam and LS3 intake!
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post #15 of 51 Old 01-14-2013, 06:13 AM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

If I remember correctly the last three didgets on the ecu tag are 896.
Do I need to switch to a 411? It would just require chainging the pin placement on that end of the harness correct?
Thanks again for the help.
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #16 of 51 Old 01-14-2013, 06:29 AM
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Re: 99 2.2 s10 engine wiring diagrams

if its a 2000 its going to be a red/ blue connector the pins should be the same. Id have to look at an ecu pinout for the fbody and truck. I can do that later when I am off work.

some more info
http://www.s10forum.com/forum/f213/t...-5-3-a-466178/

you could also pm some of the guys in that thread about this.

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post #17 of 51 Old 01-14-2013, 02:15 PM
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Re: 99 2.2 s10 engine wiring diagrams

411 and 896 are identical

Mike
my truck
New direction --->Time to get High

2001 s10 ext cab 6.0 243 heads, ls2 cam, nnbs truck intake, 87mm tb, 4l60e, 241c, dana 44's front and rear, 4.30 gears 35" m/t Baja claws.
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post #18 of 51 Old 01-14-2013, 05:53 PM
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Re: 99 2.2 s10 engine wiring diagrams

so the only difference would be the operating system being used.

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post #19 of 51 Old 01-14-2013, 11:41 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

So If I have it flashed with a 411 fbody program it should work fine.
Thats great.
Thanks,
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #20 of 51 Old 01-15-2013, 03:32 AM
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Re: 99 2.2 s10 engine wiring diagrams

Quote:
Originally Posted by Kory 88Iroc Lt1 View Post
So If I have it flashed with a 411 fbody program it should work fine.
Thats great.
Thanks,
Kory
that I am not sure about. You'd have the search and ask some guys here and over at ls1tech also.

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post #21 of 51 Old 01-15-2013, 10:03 AM
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Re: 99 2.2 s10 engine wiring diagrams

yes it will work. I have run both pcms in my truck with the same os loaded in both of them.

The 896 were used in all lsx based vehicles from 99-2000 the 411 was used 2001-2002 then in 2003 they changed to the "Blue/Green" pcm which changed numbers every year but all the OS's are interchangeable for drive by wire. If you want to run cable throttle on the "Blue/Green" you need to make sure it has IAC drivers installed which are only in half of the service numbers.

Mike
my truck
New direction --->Time to get High

2001 s10 ext cab 6.0 243 heads, ls2 cam, nnbs truck intake, 87mm tb, 4l60e, 241c, dana 44's front and rear, 4.30 gears 35" m/t Baja claws.
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post #22 of 51 Old 01-15-2013, 10:09 AM
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Re: 99 2.2 s10 engine wiring diagrams

another thing to add - if you were using a 98+ truck you would want to use a truck os because the car os does not comunicate with the bcm properly. I had lots of troubles with this when I first started driving my truck.

Mike
my truck
New direction --->Time to get High

2001 s10 ext cab 6.0 243 heads, ls2 cam, nnbs truck intake, 87mm tb, 4l60e, 241c, dana 44's front and rear, 4.30 gears 35" m/t Baja claws.
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post #23 of 51 Old 01-15-2013, 07:48 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

Thanks for the info. the truck is a 99. You just saved me alot of time.
I appreciate it. This project has taken much longer than it was supposed too already lol.
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #24 of 51 Old 01-27-2013, 03:06 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

Moon,
Do you happen to have the diagrams for the iat, and maf sensors. Those two plugs were cut from my harness. I think I know what needs to be fixed, diagrams would be great if you can get them.
Thanks,
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #25 of 51 Old 01-27-2013, 03:16 PM
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Re: 99 2.2 s10 engine wiring diagrams

if I sent you the engine controls harness for the 5.3, the connector and wire colors should be on them. Let me know if hthere not.

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post #26 of 51 Old 02-20-2013, 11:54 AM
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Re: 99 2.2 s10 engine wiring diagrams

I've been kicking around the idea of putting a 5.3 in my 2.2L truck. I've been running into issue after issue with the drive train and almost have myself convinced to just replace it altogether.

I would like 5.3/T56

Can a 5.3 harness be re-pinned/modified to work in a 2.2 truck?
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post #27 of 51 Old 02-20-2013, 02:07 PM
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Re: 99 2.2 s10 engine wiring diagrams

I believe it was DeathPhoenix99 here on S10forum who uploaded many schematics and diagrams to google docs. Covers more than just S10s, but most years have lots of good info.

https://docs.google.com/folder/d/0B9...it?pli=1&hl=en

That's a link worth saving for anyone making major modifications or repairs to their electrical system. I've got that folder linked into my google docs to make it easy to find myself.
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post #28 of 51 Old 02-20-2013, 04:40 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

You can absolutely repin a 5.3 harness to work in a 2.2 s10. Using the diagrams in this thread, I have almost finished doing exactly that.
There is alot of great info here. The process is time consuming, but not really hard.
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #29 of 51 Old 02-20-2013, 07:55 PM
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Re: 99 2.2 s10 engine wiring diagrams

Quote:
Originally Posted by Kory 88Iroc Lt1 View Post
You can absolutely repin a 5.3 harness to work in a 2.2 s10. Using the diagrams in this thread, I have almost finished doing exactly that.
There is alot of great info here. The process is time consuming, but not really hard.
Kory
Thanks! What provisions are needed for a T56 ecu and harness wise?
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post #30 of 51 Old 02-20-2013, 10:46 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

I added wiring for the reverse lights, and the reverse lockout. Use the above diagram for an fbody ls/t56 to figure that out. it's pretty easy.

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #31 of 51 Old 02-21-2013, 05:51 PM
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Re: 99 2.2 s10 engine wiring diagrams

if anyone needs the 1996 diagrams, shoot me a pm with your e-mail address.

just your average LS2 S10
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Re: 99 2.2 s10 engine wiring diagrams

I have a 98 Sonoma (originally 2.2/auto), a 2000 6.0 engine, (and wiring harness/ecu), and a t56. Any info on which parts, wiring, etc it would take to combine these?
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post #33 of 51 Old 07-29-2013, 09:06 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

I'm down to one last circuit. connector c100 pin N circuit 241. It gets fused ignition voltage. I can't find any diagrams for this circuit. Any info would be greatly appreciated.
Thanks,
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #34 of 51 Old 08-16-2013, 04:20 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

Has anyone else converted a truck harness and swapped to a t56 as well? I have my harness plugged in and would like to fire the motor, just to hear it run for a few seconds to boost my interest in this project. I am still using a 2000 truck computer that was set up for a 4l60e. I know the vats will kill the fuel pump, but will the lack of an automatic neutral safety switch keep the purple starter wire from becoming hot in a cranking situation?
Thanks for any info you can provide.
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #35 of 51 Old 08-16-2013, 06:05 PM
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Re: 99 2.2 s10 engine wiring diagrams

here are the wire diagrams for 3 vehicles

2000 s10 manual trans
2000 silverado both styles of trans
2002 camaro both styles

see if these will help you out. there in order of the list above. These should give you a better idea on how to crank it up, the trucks seem much easier as they dont go through the BCM like the camaro.






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2006 Trailblazer SS
2000 Olds Bravada- SOLD
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post #36 of 51 Old 08-16-2013, 09:56 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

Thanks, Those should help a lot. I hope to hear it make some noise this weekend.
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #37 of 51 Old 09-18-2013, 10:47 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

Moon,
Do you happen to have the wiring diagram for a 99 s10 bcm? I have my truck running, but my gauges don't work. I've traced the serial data wiring from the ecm to the bcm I think it's circuit 710. I have continuity from the pcm plug to the bcm plug, but no gauges.
It's driving me crazy.
Any info would be much appreciated!
Thanks,
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #38 of 51 Old 09-18-2013, 10:54 PM
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Re: 99 2.2 s10 engine wiring diagrams

does your oil pressure gauge work?

Mike
my truck
New direction --->Time to get High

2001 s10 ext cab 6.0 243 heads, ls2 cam, nnbs truck intake, 87mm tb, 4l60e, 241c, dana 44's front and rear, 4.30 gears 35" m/t Baja claws.
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post #39 of 51 Old 09-18-2013, 11:04 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

No. the only gauge that seems to move is the water temp.

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #40 of 51 Old 09-18-2013, 11:13 PM
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Re: 99 2.2 s10 engine wiring diagrams

check the gauge fuse by the door. the oil pressure gauge is separate from the bcm so that isn't your issue

Mike
my truck
New direction --->Time to get High

2001 s10 ext cab 6.0 243 heads, ls2 cam, nnbs truck intake, 87mm tb, 4l60e, 241c, dana 44's front and rear, 4.30 gears 35" m/t Baja claws.
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post #41 of 51 Old 09-18-2013, 11:19 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

Thanks for the info. I'll check that out.
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #42 of 51 Old 09-18-2013, 11:37 PM
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Re: 99 2.2 s10 engine wiring diagrams

ill get the diagrams tomorrow sometime. I have to work tonight.

2000 GMC Jimmy 2wd 2 door / LQ9, L92 heads, 224/230 cam and LS3 intake!
2006 Trailblazer SS
2000 Olds Bravada- SOLD
build thread <------<click there dyno'd 374/372
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post #43 of 51 Old 09-19-2013, 04:22 PM
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Re: 99 2.2 s10 engine wiring diagrams

Here are some diagrams dealing with BCM power and ground along with datalink and analog gauges. Ill post some more shortly








2000 GMC Jimmy 2wd 2 door / LQ9, L92 heads, 224/230 cam and LS3 intake!
2006 Trailblazer SS
2000 Olds Bravada- SOLD
build thread <------<click there dyno'd 374/372
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post #44 of 51 Old 09-19-2013, 04:50 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

Moon,
Thanks for the diagrams. I'm going to go out right now and see if I can get this figured out.
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #45 of 51 Old 09-19-2013, 05:31 PM
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Re: 99 2.2 s10 engine wiring diagrams

ill be around for a while, send me a pm if you need something more.

2000 GMC Jimmy 2wd 2 door / LQ9, L92 heads, 224/230 cam and LS3 intake!
2006 Trailblazer SS
2000 Olds Bravada- SOLD
build thread <------<click there dyno'd 374/372
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post #46 of 51 Old 09-19-2013, 10:45 PM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

any chance this problem has anything to do with my ignition cylinder? The original one was broken. I replaced it. I've been checking the wiring and have not found anything that seems to be wrong yet.
The only thing that seems odd is I have a plug on the engine harness that I can't figure out. It has a brown wire and a black one. It is circuit 241 ignition voltage 3.
Those are my ideas currently

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #47 of 51 Old 09-19-2013, 11:33 PM
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Re: 99 2.2 s10 engine wiring diagrams

Quote:
Originally Posted by Kory 88Iroc Lt1 View Post
any chance this problem has anything to do with my ignition cylinder? The original one was broken. I replaced it. I've been checking the wiring and have not found anything that seems to be wrong yet.
The only thing that seems odd is I have a plug on the engine harness that I can't figure out. It has a brown wire and a black one. It is circuit 241 ignition voltage 3.
Those are my ideas currently
241 and voltage 3 is 4x4 shit. I removed that from the harness I am building now. It goes to the transfer case and front drive axle.

2000 GMC Jimmy 2wd 2 door / LQ9, L92 heads, 224/230 cam and LS3 intake!
2006 Trailblazer SS
2000 Olds Bravada- SOLD
build thread <------<click there dyno'd 374/372
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post #48 of 51 Old 09-20-2013, 05:30 AM Thread Starter
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Re: 99 2.2 s10 engine wiring diagrams

sweet. I'll remove that. One more thing down.
Thanks,
Kory

88 Iroc 94 lt1 355 Ai top end mahle/compstar bottom end/t56 8.8rear almost no stock parts.
94 chevy s10 shortbox 2wd. lq4/t56 swap in parts collecting stage.
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post #49 of 51 Old 02-02-2015, 10:05 PM
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Re: 99 2.2 s10 engine wiring diagrams

hey im putting a 2003 5.3 in my 1998 2.2 s10 im in of the pinout for both engines can you please help me out Taylortyler@rocketmail.com

Why waste the duck tap just buy a Chevy
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post #50 of 51 Old 02-25-2016, 05:02 PM
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I have a 2000 s10 and a 98 ,lt1 I have both harnesses and ecm s I need diagrams for both and sensations if you can help please email me @ gnansvette55@gmail.com
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