After turning on the key changed all switch's in air manifold had switch's color coded so no didn't get anything backward have high idle with brake popped subbed in new clutch switch no change am getting no signal on circuit 125 drl parking brake c/o just that circuit need a wiring diagram and where that wire goes.
Have 1999 Freightliner century no Jake's no cruise brake engaged alarm goes off for a minute 45
Discussion in 'Freightliner Forum' started by James Edwards, Sep 15, 2019.
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Sorry, you lost me after "After". That's an old modern truck, electrical gremlins will drive you nuts. I say this everytime with older trucks, start with a good ground to the cab. Bad grounds do all kinds of funky things. I drove a '99 Century for a friend, it was a nice truck, but had almost 900 grand, and was beginning to do the same stuff. Good luck.
x1Heavy Thanks this. -
How about brake pedal switch?
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Parking brake switch is normally on the back of the brake valves. Check switch with ohm meter, check voltage as well.
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