Kingman Posted January 14, 2010 Share Posted January 14, 2010 (edited) So as I was trying to find an ignition power source for my electric fan, I touched a connector in the harness shown below. The fan clicked on for a split second and then shut down so I immediately disconnected it. I stopped fiddling with things after that and wondered if my truck would still run. I then noticed that my gauge cluster went wacko. No tach, volt, temp, or fuel gauges work, no rear defroster, and no blinkers though the hazard lights work. The amp and oil indicator lights are dimly lit constantly now, and the amp light brightens up when I shift into reverse. Now back to the tach...it does something really funny. It'll go up to 1000RPM and stay there after a few seconds of the engine running, but when I hit the gas it drops to 0 and then when I hit what sounds like 3000RPM the tach shoots up to about 4000RPM and then flies to redline and then all over the place. It's really weird. I thought I might have messed up my check relay, however replacing that did nothing but the gauge cluster is dead when the relay is removed, as expected. I checked all the fuses under the dash and all other relays under the hood and they are fine. WTF. I did make videos but I don't have any way of connecting my phone to the computer at my mom's. Any ideas on what I fried? It's got to be more than the gauge cluster since the blinkers and rear defroster went away. Harness of Death: Edited January 14, 2010 by Kingman Link to comment Share on other sites More sharing options...
Precise1 Posted January 14, 2010 Share Posted January 14, 2010 I recently lost my cluster in my 95. It was a fuse, not clearly labeled (10 amp) and good to go after I found the wire tha melted to my headers. Hope it is as easy for you. B Link to comment Share on other sites More sharing options...
Kingman Posted January 14, 2010 Author Share Posted January 14, 2010 So it's possible I simply fried part of the wire that I connected the fan to? Link to comment Share on other sites More sharing options...
Precise1 Posted January 14, 2010 Share Posted January 14, 2010 More like the fuse it is linked to, but I'm weak with electronics and I don't really know what the hell you did... B Link to comment Share on other sites More sharing options...
Kingman Posted January 14, 2010 Author Share Posted January 14, 2010 Are there other fuses other than the ones under the dash and the relays up front in the engine bay? I checked all of them as noted and they are all fine and transfer power. Link to comment Share on other sites More sharing options...
Kingman Posted January 14, 2010 Author Share Posted January 14, 2010 I had someone looking through the wiring diagrams trying to track down a common point between the problem areas I'm having and he couldn't find anything to latch on to, so that somewhat leaves me with tracking down a melted bunch of wires that are cutting power and cross-feeding signals. He's still looking but didn't feel like sitting on the phone. Link to comment Share on other sites More sharing options...
Cuong Nguyen Posted January 14, 2010 Share Posted January 14, 2010 Check your fusible links and any group of wires near your grounding straps on your passenger fender well. All I can think of. Link to comment Share on other sites More sharing options...
GrimGreg Posted January 14, 2010 Share Posted January 14, 2010 That'll teach ya to just start blindly tapping wires. Trace the wire you tried to tap and look for any faults in it. Get your alternator checked, if those lights are on in your dash, the regulator might have gotten screwed. Link to comment Share on other sites More sharing options...
nismothunder Posted January 14, 2010 Share Posted January 14, 2010 Admit it,you just want a new one... Link to comment Share on other sites More sharing options...
Kingman Posted January 14, 2010 Author Share Posted January 14, 2010 That'll teach ya to just start blindly tapping wires. Trace the wire you tried to tap and look for any faults in it. Get your alternator checked, if those lights are on in your dash, the regulator might have gotten screwed. Yes, I learned that lesson alright... In Diesel today I'm hoping I can pull it in and try and find the problem. Amazing how most people don't know the hand signals...I had a guy honk at me when I was pointing to turn left and that hand signal quickly turned to an "FU." Link to comment Share on other sites More sharing options...
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