LT1 wiring issues
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Joined: Dec 2007
Posts: 618
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From: Williamstown, NJ
Car: '98 Mustang GT
Engine: '03 4.6L
Transmission: T45
Axle/Gears: DK
LT1 wiring issues
Ah--nightmare with wiring the LT1. I'm swapping in an LT1 and problem is that the previous owner took out the underhood fusebox w/ wiring and the harness that goes to the original ECM is out of the car. Fump pump relay is missing and to top it all off, I'm also trying to wire in a '95 Camaro gauge cluster at the same time. Need tips on what to tackle 1st.
Joined: May 2004
Posts: 1,037
Likes: 2
From: Kingsport Tenn
Car: 1992 camaro
Engine: LT1
Transmission: 4L60E
Axle/Gears: 3:73
Re: LT1 wiring issues
Witch harness are you missing the one out of the LT1? You dont have to have the underhood fuse box,but some say it it a little better to have it. You can get a harness off eBay, or Hawks.
Here is some info on the 95 cluster
https://www.thirdgen.org/forums/inte...ring-good.html
Here is some info on the 95 cluster
https://www.thirdgen.org/forums/inte...ring-good.html
Thread Starter
Senior Member
iTrader: (7)
Joined: Dec 2007
Posts: 618
Likes: 0
From: Williamstown, NJ
Car: '98 Mustang GT
Engine: '03 4.6L
Transmission: T45
Axle/Gears: DK
Re: LT1 wiring issues
I have the LT1 engine harness, but the '89 Camaro engine harness (for a throttle body 305) was removed up to C100. The half of C100 that is in the interior is still intact.
Joined: May 2004
Posts: 1,037
Likes: 2
From: Kingsport Tenn
Car: 1992 camaro
Engine: LT1
Transmission: 4L60E
Axle/Gears: 3:73
Re: LT1 wiring issues
Ok well I would look for a harness for that and wire in the motor first,then do the gauge's after you get it up and running.
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