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lt1 wiring gurus help!

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Old 01-06-2006, 04:16 PM
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Car: 1990 chevy camaro rs
Engine: lt1
Transmission: 4l60e
Axle/Gears: 273:(
lt1 wiring gurus help!

wiring gurus! these are pictures of the ends of the harness's of a 1995 pontiac lt1. ive read the wiring for dummys and the shbox.com site and i still can figure out what these go to. i wasnt the one that pulled the harness or id marked it as i done it. so i have these harness's and not a clue. i know there the inside under dash harness's due to the fact i see the airbag plug and there heavily coated in electrical tape <holding them together>
any help will be appreciated. i dont know how to post pictures yet. so i used imageshack and entered hyperlinks. some are the same plug but 2 different views. <hints 1.2>. also. sorry about the poor picture quality. wife has the dig cam. im using a old web cam=\

1 http://img445.imageshack.us/img445/4082/picture26au.jpg
2 http://img445.imageshack.us/img445/8824/picture37kv.jpg
2.1 http://img445.imageshack.us/img445/9510/picture44mk.jpg
3 http://img445.imageshack.us/img445/5273/picture54mg.jpg
3.1 http://img445.imageshack.us/img445/4070/picture64ww.jpg
4 http://img445.imageshack.us/img445/4947/picture78sq.jpg
5. http://img445.imageshack.us/img445/4003/picture83uk.jpg
5.1 http://img445.imageshack.us/img445/7231/picture93jw.jpg
6 http://img445.imageshack.us/img445/6...cture103eb.jpg
6.1 http://img445.imageshack.us/img445/7...cture116wi.jpg
7. http://img445.imageshack.us/img445/6...cture122tb.jpg
you guys are the greatest;P
Old 01-06-2006, 11:28 PM
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1. This is for ignition, power , i know you'll need the wires for this connector.

4. The C200 connector. Thats the connector that splits into 3. I see you have one part split off. I'm working on a pinout for this.

5. This connects to one of the silver boxes underneath of the dash. Either ABS, or airbags. Won't need any of those wires.

7. I think its a brake switch, doesn't matter, wont need it

Last edited by Firebat; 01-06-2006 at 11:38 PM.
Old 01-06-2006, 11:33 PM
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I did this a while ago, i was trying to figure out what all of the wires were for on the LT1 C200 and this is what i got...


1995 LT1 C200 Underdash Side
Cavity Wire Color Description
A01 Green/White VSS output signal, goes to gauges
A03 Green ABS fail signal, goes to gauges
A04 LightBlue Brake Lights
A05 Brake warning
A07 DarkGreen Horn
A09 Blue ABS
A14 White Rear wheel speed sensor
A15 Brown Rear wheel speed sensor
A16 Yellow Lights – Fog
A17 Yellow/black Low coolant, goes to E8
B1 Pink Goes to ECM fuse
B2 Orange Goes to fuse 2,3
B4 Red ?
B5 Yellow Headlights
B6 Red Goes to circuit breaker #12
C1 Red Goes to E4, ?
C2 Red Radio Accy Power, goes to Fuse #4
C3 LightGreen Goes to Fog Light Switch
C5 Orange Ignition
C6 Brown Goes to E2, ?
D1 Black/White Airbag
D2 Green Airbag
D3 Yellow Wiper/Wash
D4 Brown Lights
D5 LightBlue ?
D6 Blue Lights?,was disconnect on engine side
E01 White Dimmer
E02 Brown Goes to C6
E03 Orange Goes to fuse 8,11
E04 Red Goes to C1
E06 Blue Windows, goes to Fuse #15
E07 Gray Illumination
E08 Yellow/black Low coolant, goes to gauges, goes to A17
E09 Orange B+, power mirrors
E10 Pink ?
E11 Brown Windows, goes to Fuse #15
E12 Pink Pwr Acy, goes to Fuse #7
E13 Black Goes to hatch release relay
A12 Tan Serial Data for ABS & ?, goes to DLC
E05 Tan ?

The A's and E's, you wont need. Some of the power wires are interconnected between the three. You may have to run a power wire here and there.

Last edited by Firebat; 01-06-2006 at 11:45 PM.
Old 01-06-2006, 11:55 PM
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Car: 1990 chevy camaro rs
Engine: lt1
Transmission: 4l60e
Axle/Gears: 273:(
a04=yellow
a05 brown or tan??
a12 pink?
no a16
c5= yellow
c6=red

i found different in our comparision. yours out of a pontiac or a chevy? or should it matter?
Old 01-06-2006, 11:57 PM
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what car did you get the harness from?, mine was a 95 camaro z28.
Old 01-07-2006, 12:11 AM
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Car: 1990 chevy camaro rs
Engine: lt1
Transmission: 4l60e
Axle/Gears: 273:(
paperwork said 95 firebird. but i think only the 95 transam had lt1
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