Well fellas after a few hours of tracing down a wire, I finally found the problem. What I ended up doing was pulling my cluster out & running a hot wire to the plug for the sensor, hit all the prongs on the cluster plug with a test light to find exactly which wire it was. It’s the fourth one from the passenger side on the bottom.
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Used a quick splice on that wire (should be two green wires side by side) the one closes to the drivers side is the correct one. So Once I had the wire spliced to the cluster plug I reinstalled the cluster. Ran the wire out and tried grounding it, boom it pegged out towards hot. I thought I had it beat then. So I ran the wire through the firewall. I didn’t want to cut the stock plug off so I put another quick splice on the wire coming from the main harness. But for some reason when I tried to ground it then it wouldn’t do anything & yes I know for a fact the splice was connected good because i removed it and stripped the wire back a little and did straight wire to wire....still nothing at all when I ground it out.
Got to thinking maybe the wire had come out of the plug so I pushed the lock in on the plug pulled the wire out and the wire was still connected to the end properly.
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Now I’m scratching my head wondering what in the heck could be wrong. I by pass the plug and ground the wire I have spliced into the cluster plug & it pegs out just like it should. I double checked the wire going into the plug & it was fine just as before or at least I thought so. I’m not sure how it happened (gauge hasn’t worked since I bought the truck a few weeks ago) but some how or anything the wire just a little up from the plug has come apart on the inside & I couldn’t tell from the way the out of the wiring looked.
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