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Old 09-27-2013, 10:53 PM   #1
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What gauge?

I have a 89 yj with a 4.2. What gauge wire is running from the battery to the starter?

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Old 09-27-2013, 11:14 PM   #2
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From the battery to the starter solenoid is 8 gauge and from the starter solenoid to the starter is also an 8 gauge wire.

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Old 09-28-2013, 01:21 PM   #3
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I have some extra 4 gauge amp wire. Has anyone ever used amp wire for this?
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Old 09-28-2013, 03:11 PM   #4
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it depends on the thickness of the outside insulation and if it can hold up under heat. if the insulation melts it could cause a fire or damage other electrical components.
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Old 09-28-2013, 03:38 PM   #5
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Yeah I think I will just buy some new cables lol
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Old 09-28-2013, 04:37 PM   #6
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Quote:
Originally Posted by 1989yj4.2 View Post
I have some extra 4 gauge amp wire. Has anyone ever used amp wire for this?
I have. Works great, if you use spec wire. Specifically, I have Kicker OFC 4ga power wire for my main connections.

Wire does not know what it will be when it grows up. Good wire is good wire, and cheap wire is cheap wire. (I have even used the same brand/size as jumper cables in emergencies)

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