Question about 2003 GMC Sierra 1500
The guage reads max when a full ground is applied to the sending wire sounds like that wire got pinched and is touching metal ground grounding out showing max press or the unit itself is saturated and needs to be replaced . the sending unit is right under the distributor a big bell looking object with single wire on it .follow the wire and make sure it doesnt touch ground anywhere but the unit and if you change it dont use teflon on it it needs to contact the metal block to make ground work ..
Posted on Nov 19, 2009
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Posted on Jan 02, 2017
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