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Discussion Starter · #1 ·
Odd issue.

When I apply parking brake, the ABS and Traction lights on Dash come on.

They are off, upon future restart. That is, if I park and apply brake, the lights come on. Next day, they off.

If I gently apply the parking brake, no warning lights. This is odd to me.

Truck drives fine, no lights during normal operation. Only when applying parking brake.

This kinda baffles me, as the parking brake system should all be mechanical. Cable from cab, to adjuster split, 1 ea cable to rear parking drum in rotor.

Sure its gonna be a sensor, just seems odd apply the parking brake would set it off.
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