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Old 01-24-2010, 11:53 PM   #1
'70GMCStep
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Wiring Question

I'm going through all of my wiring in the truck, replacing what needs to be replaced, but am not experienced in wiring. I've found a wire that was about shot, but not sure what it is.
It connects from the starter up through the middle of the firewall, in with some other wires. It connects with a very small circle end connection at the starter. Would anybody mind helping me out with what this one is? I appreciate it.


'70GMCStep

'65 Chevy LWB
'70 GMC Stepside

Last edited by '70GMCStep; 01-24-2010 at 11:56 PM.
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Old 01-24-2010, 11:59 PM   #2
chopper john
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Re: Wiring Question

is it purple? does it bolt on to the really small post?

Last edited by chopper john; 01-25-2010 at 12:00 AM.
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Old 01-25-2010, 12:02 AM   #3
'70GMCStep
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Re: Wiring Question

I'm a bit color blind, but it does connect to the small post down there.
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Old 01-25-2010, 12:05 AM   #4
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Re: Wiring Question

there should be two wires. one is the battery cable . the other witch should be purple should be your starter wire that comes from your ignition switch . can u post a pic
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Old 01-25-2010, 12:19 AM   #5
'70GMCStep
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Re: Wiring Question

Thanks for the reply. Not able to post yet. I wonder if there are wires for thisapplication on the market (been doing harnesses this week) for this or if this is just a replace with common wire of a certain gauge? Thanks.

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Old 01-25-2010, 12:21 AM   #6
chopper john
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Re: Wiring Question

any wire of the same gauge is just the same
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Old 01-25-2010, 12:22 AM   #7
'70GMCStep
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Re: Wiring Question

Thanks for the reply. Not able to post yet. I wonder if there are wires for this application on the market (been doing harnesses this week) for this or if this is just a replace with common wire of a certain gauge? Thanks.

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Old 01-25-2010, 12:24 AM   #8
62gmc910
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Re: Wiring Question

There is a lot of wiring info in the FAC section at the top of the forum
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Old 01-25-2010, 12:26 AM   #9
'70GMCStep
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Re: Wiring Question

Hey thanks chopper, and 62. Disregard last post, I didn't see your reply before I sent mind. I will get on this replacement. Learning as I go. I appreciate it!

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Last edited by '70GMCStep; 01-25-2010 at 12:28 AM.
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Old 01-25-2010, 12:43 AM   #10
chopper john
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Re: Wiring Question

are you using an hei distributor?
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Old 01-25-2010, 12:44 PM   #11
'70GMCStep
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Re: Wiring Question

I am running an H.E.I. on my 350.
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Old 01-25-2010, 10:07 PM   #12
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Re: Wiring Question

on the starter you should have two small posts. one has the letter s witch is for start where the purple wire goes. the other one has an r for resistor so you dont need that one, its for a points distributor
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Old 01-26-2010, 02:11 PM   #13
'70GMCStep
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Re: Wiring Question

Hey thanks for the info. chopper, I appreciate it. I'll make another go at this wire. Electrics are a bit confusing to me but gonna keep working on it.


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