83 S15 Volt Issues. Batter won't stay charged. - S-10 Forum
 
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post #1 of 8 Old 01-31-2019, 09:46 AM Thread Starter
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83 S15 Volt Issues. Batter won't stay charged.

Morning fellas.
Just bought a 83 S15 with the 2.8 5 speed.
Seems to keep losing charge every few days. Notice the volts drop when I turn on my headlights and heater is going.
Most things were replaced prior to my purchase but looking a t it the alternator doesn't look to new.
Love driving this truck, help me out

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post #2 of 8 Old 01-31-2019, 09:56 AM
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Re: 83 S15 Volt Issues. Batter won't stay charged.

1- unhook and clean ALL the grounds- retest
2- if still acting strange- go to Advance or Autozone and have alt tested

32yrs of wrenching- 8 for Uncle Sam and the rest at various Garages.A bit of knowledge on everything from 2cyc Weedeaters to Jet turbines,with Civil Engineering and Computer As/Repair as a kicker.
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post #3 of 8 Old 02-03-2019, 10:03 AM Thread Starter
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Heading to Oriellys today to get a scan.
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post #4 of 8 Old 02-03-2019, 01:40 PM
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Re: 83 S15 Volt Issues. Batter won't stay charged.

Don't see how a scan of an 83 will tell you much about your charging system. Or did you mean you're going to have your alternator tested?
Maybe I'm confused as I thought a scan meant having your DTC's read with a scanner.
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post #5 of 8 Old 02-03-2019, 09:12 PM Thread Starter
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Meant have the alternator read. Was pouring rain all day so early tomorrow. I've got a feeling it's the alternator. But we'll see
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post #6 of 8 Old 02-04-2019, 03:28 PM Thread Starter
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Alternator failed test at Oriellys.
Anyone suggest a good replacement?
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post #7 of 8 Old 02-04-2019, 03:46 PM
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Re: 83 S15 Volt Issues. Batter won't stay charged.

AC/Delco...get the part number from Rockauto and check Amazon...probably faster and no shipping if you have prime

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post #8 of 8 Old 02-07-2019, 05:31 PM Thread Starter
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FIXED!!
Remy 78 amp.
Runs Even better than before!!
Thanks
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