1987 lg4 c100 i.d.
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Joined: Jun 2010
Posts: 44
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Car: '87 RS, '88 Trans Am, '91 Formula
Engine: 5.0, 5.0, 5.7
Transmission: T5, 700r4, 700r4
Axle/Gears: 2.73, 2.73, 2.73
1987 lg4 c100 i.d.
I have a 1987 lg4 car. There are a few wiring harness issues I need help with.
The qjet, c207 and any components and wires were removed before I got the car.
I have a wire, a7 position, pink black, that is nonexistent on 87lg4 c100pinouts.
Other years label it as cold start? Is that safe to assume?
I have a lt blue wire, e6 pin, that is labeled as choke heater. It is splieced into a relay and the choke though.
The relay also has a brown white wire, g7, computer command control, tied into a hot lead on the alternator. So all three are tied together.
There is also a tan/white wire that is in the c4 pin on the c100 that I can not for the life of me find what it is. It also goes the relay.
The qjet, c207 and any components and wires were removed before I got the car.
I have a wire, a7 position, pink black, that is nonexistent on 87lg4 c100pinouts.
Other years label it as cold start? Is that safe to assume?
I have a lt blue wire, e6 pin, that is labeled as choke heater. It is splieced into a relay and the choke though.
The relay also has a brown white wire, g7, computer command control, tied into a hot lead on the alternator. So all three are tied together.
There is also a tan/white wire that is in the c4 pin on the c100 that I can not for the life of me find what it is. It also goes the relay.
Thread Starter
Junior Member
Joined: Jun 2010
Posts: 44
Likes: 0
Car: '87 RS, '88 Trans Am, '91 Formula
Engine: 5.0, 5.0, 5.7
Transmission: T5, 700r4, 700r4
Axle/Gears: 2.73, 2.73, 2.73
Re: 1987 lg4 c100 i.d.
Thanks John, you're a life saver. For some reason the "other" c100 from 87 were different.
Thread Starter
Junior Member
Joined: Jun 2010
Posts: 44
Likes: 0
Car: '87 RS, '88 Trans Am, '91 Formula
Engine: 5.0, 5.0, 5.7
Transmission: T5, 700r4, 700r4
Axle/Gears: 2.73, 2.73, 2.73
Re: 1987 lg4 c100 i.d.
Another question-
Anyone have charging/choke circuit diagrams for this year and engine?
Would you also happen to have the A/c circuit? I am using diagrams from austin third gen, but feel like there are details missing.
Anyone have charging/choke circuit diagrams for this year and engine?
Would you also happen to have the A/c circuit? I am using diagrams from austin third gen, but feel like there are details missing.
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