Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

wiring plug on firewall

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Old Jun 2, 2006 | 04:38 PM
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bowtienick's Avatar
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From: houston
Car: 1991 rs, 1992 z/28
Engine: 363 ci chevy sb
Transmission: 700-r4
wiring plug on firewall

does anyone have a pin out of the harness plug on the firewall by the master cylander and brake booster? i sold the computer& harness and want to run power to the factory fuse block. i have another harness, but it has been butchered.
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Old Jun 7, 2006 | 01:14 PM
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That is also commonly referred to as the "C100" connector. I'm not sure about which year you are asking, but this is from an '86:
Attached Thumbnails wiring plug on firewall-fbodyc100bulkheadconnector.jpg  
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Old Jun 7, 2006 | 03:31 PM
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bowtienick's Avatar
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From: houston
Car: 1991 rs, 1992 z/28
Engine: 363 ci chevy sb
Transmission: 700-r4
thanks vader! my car is a '91, but it looks like they are similar enough for me to use the info you gave.
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Old Sep 1, 2006 | 01:52 PM
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I also need the diagram for a 91 C100
Does anyone have it, that they could post here?

I think there might be some difference between the one already posted here, and the 90-92 style.

I hope someone has it!

Thanks
Chris.
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