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Posted by Clint Dixon on Wednesday, May 14, 2008 at 09:37:16 :
In Reply to: Re: fuel sending unit posted by Tom Petroff (IL) on Wednesday, May 14, 2008 at 09:07:29 :
You can not hurt either the sender or dash gauge by hooking up the two wires backwards. If the gauge works, you have a full tank, and the gauge reads empty, then the wires are backwards.
The W-series shop manual has a VERY good section on how to diagnose and ajdust these gauges. If you do it on a bench, then you enclose the dash gauge in something like a coffee can or cardboard box to keep air currents from it. This makes it heat up and register quicker.
Junior
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