I thought they were a k38 relay,your car might,its next to the gas pedal under the carpet,on the transmission hump.when they go bad,the engine will not turn over.Sometimes holding the key at start posistion for 2 to 3 minutes they will start.on my car its behind the fuses under the hood

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1999 w140, quit voting to old, and to old to fight, a god damned veteran