Question about 1995 Buick Regal
Hi, there are two brake switches on this system, one is for a Brake Light circuit while the other powers up the Cruise Control and Brake Transmission Shift Interlock Solenoid. This switch is a normally closed switch that opens when the pedal is depressed. Power from this switch is feed to the PCM which then powers up the Cruise Control Servo. The contacts of this brake switch can make poor contact which reduces the current flow to the Cruise Control Servo. To test for this problem, find the brake switch with the Gray wire and Brown wire. Back probe and jumper the Gray wire to the Brown wire. Test drive the vehicle. If the cruise control now works, replace the Cruise/Shift/Interlock Brake Switch. The brake switch is located behind the brake pedal.
Posted on May 17, 2011
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Posted on Jan 02, 2017
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