Temperature, Oil Pressure & Amp Guages on dash are not working.

Asked by Phyllis Dec 09, 2015 at 01:09 PM about the 2004 Pontiac Bonneville SE

Question type: Maintenance & Repair

Just had the engine rebuild/replaced
lower end. Why or how would all three
Guages not operate. They were working
before rebuild.

2 Answers
26,255

taver91 answered 8 years ago

Probably unplugged on either the sensor or dash board end. Look for unconnected harness terminals.

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