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

brake warning system?

Old Jul 13, 2001 | 09:18 PM
  #1  
camaroguy99's Avatar
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From: Mission Viejo, CA
brake warning system?

what exactly is this. I saw it going into the firewall cannector on my 91 TPI wiring harness.

Thanks

Jim
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Old Jul 16, 2001 | 03:15 PM
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Omega's Avatar
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From: Northern NJ
Car: 89 Formula / 09 G8
Engine: LS1 / LS3
Transmission: M6 / M6
Axle/Gears: 3:42 / 3:27
It could be the low brake fluid warning harness. When the fluid gets too low it triggers the check engine light
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Old Jul 16, 2001 | 05:47 PM
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camaroguy99's Avatar
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ok cool so it's not a vital part of the wiring harness.
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Old Jul 17, 2001 | 04:06 PM
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From: Tucson, AZ, USA
Car: '92 Z28; Dk Teal; Her Pkg
Engine: 305
Transmission: Richmond 6 Spd
Axle/Gears: Moser 9", Detroit Locker, 3.70
There was never a factory installed low brake fluid warning system on third gen F bodies. There is, however, a differential pressure switch installed in the proportioning valve, between the front and rear brake systems, that will close and light the "brake" light in the instrument cluster if there is a difference in pressure between the two systems, when the brake pedal is applied. A differential pressure indicates that one of the two separate systems has failed.

------------------
Tim

1992 Z28, 305 TPI 5 speed, 12.1 sec @ 114.7 mph

1984 Berlinetta 305 TPI Auto, 13.8 sec @ 99.7 mph
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Old Jul 17, 2001 | 07:46 PM
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thanks again Tim. your the man
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