What color is the hot wire to the throttle position sensor on a 2000 buick century .... Black , blue or grey , I'm doing a multimeter test for voltage

Asked by Apr 12, 2015 at 11:38 AM about the 2000 Buick Century Custom Sedan FWD

Question type: Maintenance & Repair

2 Answers

14,090

white or grey is the 5v reference signal from the pcm, black is ground, blue is the tps signal wire that goes back to the pcm. if you go to easyautodiagnostics.com there is an easy test procedure for the tps using a multimeter.

Blue

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