Wiring help need color codes.
Thread Starter
Member
Joined: May 2012
Posts: 125
Likes: 0
From: SOUTH TEXAS
Car: 1991 Trans Am GTA
Engine: LT-1
Transmission: 700R4
Axle/Gears: 3.42
Wiring help need color codes.
HEre are some pictures of the wires i have left over since i eliminated the lt1 wiring harness. need to know the water temp sensor wire, tach wire, oil pressure, i already hooked up my starter and i also need to finds the fuel pump wires I deleted the relay and im going to install a switch inside the vehicle to power on and off the fuel pump and also the fuel level wire. Thanks 1st picture wires are running into cab and second pic are the wires from the fuel pump relay


Joined: Apr 2005
Posts: 7,736
Likes: 14
From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: Wiring help need color codes.
Since your car never came with a LT1 from the factory would be more relevant to mention what it originally was ; TBI /TPI .......

https://www.thirdgen.org/forums/post...937-post3.html

https://www.thirdgen.org/forums/post...937-post3.html
Joined: Apr 2005
Posts: 7,736
Likes: 14
From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Thread Starter
Member
Joined: May 2012
Posts: 125
Likes: 0
From: SOUTH TEXAS
Car: 1991 Trans Am GTA
Engine: LT-1
Transmission: 700R4
Axle/Gears: 3.42
Re: Wiring help need color codes.
tpi
Im about to order a fuel pressure regulator bypass/return style
1 port inlet, 1 port outlet and 1 port return
will this work for my setup?
I have a stock 91 trans am airtex fuel pump which puts out around 40 psi and i need to regulate it down to about 7 psi.
http://www.jegs.com/i/Holley/510/12-803BP/10002/-1
Im about to order a fuel pressure regulator bypass/return style
1 port inlet, 1 port outlet and 1 port return
will this work for my setup?
I have a stock 91 trans am airtex fuel pump which puts out around 40 psi and i need to regulate it down to about 7 psi.
http://www.jegs.com/i/Holley/510/12-803BP/10002/-1
Thread
Thread Starter
Forum
Replies
Last Post
Linson
Auto Detailing and Appearance
40
Aug 21, 2015 02:12 PM
LT1Formula
Engine/Drivetrain/Suspension Parts for Sale
7
Aug 20, 2015 09:36 PM






