Why does the buzzer go off on my GMC C6500?
The problem ended up being in the wiring harness, a wire had rubbed through, and once fixed by the dealer, it was fine. To get us by the buzzer while driving down the road, we would just quickly turn the ignition off and on, the engine would stay running but the buzzer would go off.
How to reset oil service light in GMC trucks?
From years: 2001, 2002, 2003, 2004, 2005, 2006, 2007. Turn the ignition to run (one position before starting engine). Immediately after Step 1 press and release the gas pedal 3 times within 5 seconds. If the Change Oil Soon light flashes the system is resetting. Turn the ignition off and then start the engine to verify the indicator has been reset.
Why is my 1998 6500 not turning off?
We have two 1998 6500s and one of them had that problem. In our case the return spring on the pedal was weak and the switch mounted on the assembly wasnt turning off.
What kind of aux brake does a GMC C6500 have?
AUX BRAKE (Warning light comes on) 98 GMC C6500 AUX BRAKE (Warning light comes on) 98 GMC C6500
The problem ended up being in the wiring harness, a wire had rubbed through, and once fixed by the dealer, it was fine. To get us by the buzzer while driving down the road, we would just quickly turn the ignition off and on, the engine would stay running but the buzzer would go off.
How does the brake alarm work on a GMC C6500?
Also, during the engine-running mode of operation and when the brakes are applied, the closed stoplamp switch sends a battery voltage signal to the alarm/brake booster module on the GRY wire. At the same time, the module senses battery voltage on the WHT wire from the brake switch.
When does the GMC C6500 aux warning light and alarm sound?
If the system air pressure drops below 503 kPa (73 psi), when the ignition is on, the low air pressure switch turns on the warning lamp and the module sounds a constant tone alarm. If the coolant level becomes very low, the module also turns on the LOW COOLANT warning lamp and sounds an alarm at five beats per second.
AUX BRAKE (Warning light comes on) 98 GMC C6500 AUX BRAKE (Warning light comes on) 98 GMC C6500