Quote:
Originally Posted by hatzie
It sounds like someone wired past the valve directly to the LH sender.
The valve and switch are working as they should.
Does the SPID (Service Parts Identification) label in the glovebox call out Option NL2?
The six position Weatherpak on the valve is lettered A-F. F should not have a wire so A is on the opposite end of the plug... easy to find.
With your Digital Volt Ohmmeter. What ohmage do you get when checking resistance between Valve plug A to ground & Valve plug C to ground. One of them should be 90Ω ish and the other should be somewhere around 29Ω ish... give or take a few Ω. The graph in my post above shows Ohms VS gauge position.
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You may be correct about the rewiring, but this is the cleanest most unmolested old truck I have ever owned. It is a NL2 according to the window sticker. I'll ohm out the wires some time this weekend. Thanks again for all of your suggestions.