67 CS Brake Distribution Block Wire
February 15th, 2019, 10:49 AM
#1
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Join Date: Jul 2017
Location: North Texas
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67 CS Brake Distribution Block Wire
I am rewiring a 1967 Cutlass Supreme Holiday Coupe. I’m using a painless wiring harness. I just found that my power brake distribution block has an electrical connection. Where should that wire be connected? I’m hoping it is just to the brake dummy light on the dash (unfortunately, the new wiring harness does not contain this wire).
Reading the chassis manual, page 5-22, it sounds like the wire should be part of the park brake circuit. However, that was not wired when I got the car so I don’t know what wires should go where.
Any help would be appreciated. Thanks,
Reading the chassis manual, page 5-22, it sounds like the wire should be part of the park brake circuit. However, that was not wired when I got the car so I don’t know what wires should go where.
Any help would be appreciated. Thanks,
Last edited by babailey; February 15th, 2019 at 11:00 AM.
February 15th, 2019, 07:23 PM
#2
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Join Date: Oct 2009
Location: Poteau, Ok
Posts: 40,792
Yes, it supplies a ground to the parking brake lamp on the dash. It lights the lamp if the little shuttle valve (differential pressure switch) inside the block shifts one way or the other due to loss of fluid in either compartment of the master cylinder.
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