firewall relay help - S-10 Forum
 
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post #1 of 9 Old 10-01-2009, 06:24 PM Thread Starter
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firewall relay help

i had 4 relays mounted on my firewall for my 97 4.3 s10. i modded my harness but looked at a diagram today and noticed another relay i am pretty sure 2 are for the ac system one is for the adrl (daytime run lights) and the last is for my fog lights. is this correct or is one of those for my charging system. help a buddy out please

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post #2 of 9 Old 10-01-2009, 09:48 PM Thread Starter
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Re: firewall relay help

anyone know for sure? they sit on the right side of the firewall 4 in a row i got a pic if it can help anyone but this is generally where it sits.

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post #3 of 9 Old 10-02-2009, 02:40 PM
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Re: firewall relay help

I think one of those goes to the starter or ignition or whatever. I tried to delete them after I removed my A/C system and had to keep one because the truck wouldn't crank without it. Try removing one by one and see what stops working then.
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post #4 of 9 Old 10-02-2009, 07:42 PM Thread Starter
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Re: firewall relay help

yeah i cut them already! that picture i just had wires dangling. in the haynes manual it says 3 of them were ac relays and the other was a third brake light but i am hearing different things. i am going to hit up the dealership to ask for a wiring diagram i already tried a used truck lot but they sold the twin version for reference.
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post #5 of 9 Old 10-02-2009, 09:52 PM Thread Starter
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Re: firewall relay help

well i been having bad luck with the wiring but i found a guy with the same motor and wiring and went and took a look at his relays. i popped out all the relays and found the right one. so i'm home now and took a pic maybe someone else can benefit from a mistake like this.



thanks for the help too man i probably wouldn't have double checked if you didn't tell me one of them was for starting.
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post #6 of 9 Old 10-02-2009, 11:32 PM
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Re: firewall relay help

does any1 kno if i will need the one for starting with my carbed v8 im about to do all my power and grounds for it tomorrow


1995 GMC Sonoma-bagged with carbed 350v8
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2003 gmc sierra-regency edition

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post #7 of 9 Old 10-04-2009, 02:29 AM
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Re: firewall relay help

if not you wont have a starter id leave that one in for now and see if itll work without it after youve wired everything

Stephen

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post #8 of 9 Old 10-04-2009, 02:42 AM
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Re: firewall relay help

i cut those out awhile ago


1995 GMC Sonoma-bagged with carbed 350v8
2000 Ford F-150-ext cab hok tangelo orange, 20s
2003 gmc sierra-regency edition

"Sometimes The World Is Cruel To Shiny Things..."
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post #9 of 9 Old 10-10-2009, 11:18 PM
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Re: firewall relay help

i have the relay and the wires coming from it but i am going to have to re wire it does any1 know to do that

im sure one of the wires is power one is the starter wire and one is a ground but what is the other one will i even need that last wire


1995 GMC Sonoma-bagged with carbed 350v8
2000 Ford F-150-ext cab hok tangelo orange, 20s
2003 gmc sierra-regency edition

"Sometimes The World Is Cruel To Shiny Things..."
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