Davenport Posted February 13 Share Posted February 13 Recently bought a 1994 CH600 and messing with the truck today and noticed that when I turn the headlamps on that my amp gauge goes to zero, the fuel gauge goes way past the full line, temp gauge goes past the max temp. Could it possibly be a bad ground issue or something else? Can’t seem to find a wiring diagram. Quote Link to comment https://www.bigmacktrucks.com/topic/75155-94-ch600-dash-gauges-stop-working-when-headlamps-are-on/ Share on other sites More sharing options...
Solution Joey Mack Posted February 13 Solution Share Posted February 13 Unplug the dash light dimmer switch and try again.. Quote Link to comment https://www.bigmacktrucks.com/topic/75155-94-ch600-dash-gauges-stop-working-when-headlamps-are-on/#findComment-569214 Share on other sites More sharing options...
Davenport Posted February 13 Author Share Posted February 13 6 hours ago, Joey Mack said: Unplug the dash light dimmer switch and try again.. thank you very much that was the problem. Quote Link to comment https://www.bigmacktrucks.com/topic/75155-94-ch600-dash-gauges-stop-working-when-headlamps-are-on/#findComment-569247 Share on other sites More sharing options...
Joey Mack Posted February 13 Share Posted February 13 Awesome.. i had a good feeling. Ive also made that repair many times, thanks for posting the solution...Jojo Quote Link to comment https://www.bigmacktrucks.com/topic/75155-94-ch600-dash-gauges-stop-working-when-headlamps-are-on/#findComment-569248 Share on other sites More sharing options...
Davenport Posted February 13 Author Share Posted February 13 Just now, Joey Mack said: Awesome.. i had a good feeling. Ive also made that repair many times, thanks for posting the solution...Jojo I’m new to these truck so it’s nice to find guys that has worked on these old trucks. Quote Link to comment https://www.bigmacktrucks.com/topic/75155-94-ch600-dash-gauges-stop-working-when-headlamps-are-on/#findComment-569249 Share on other sites More sharing options...
Joey Mack Posted February 13 Share Posted February 13 There's a bunch of us here. Stick around. I myself have been all over CH's Quote Link to comment https://www.bigmacktrucks.com/topic/75155-94-ch600-dash-gauges-stop-working-when-headlamps-are-on/#findComment-569251 Share on other sites More sharing options...
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