Low Coolant indicator

[John Woodrow]

Despite my efforts to fix it, my Low Coolant light still comes on. I cleaned the tank and the two screws inside and out which provide connection terminals for the wires and a path for the fluid inside to short the wires that should keep the indicator happy. That didn't work. I then connected both wires to one terminal which should eliminate the problem, but it didn't.
I'm looking for suggestions about where to go from here!

[bobmiller1]

Take the bulb out ! .....only kidding, I believe that those wires are ground wires....so you need to check where those wires go to. One may be shorted or ipen

[John Woodrow]

Originally Posted by bobmiller1

Take the bulb out ! .....only kidding, I believe that those wires are ground wires....so you need to check where those wires go to. One may be shorted or ipen

Bob,
I was able to unearth a prior discussion on the forum about this issue via Google. Discussions talked about their being some type of voltage step down unit to power the gauges at 5 volts which apparently is failure prone and also apparently unavailable. I'll have to dig deeper into that. Your suggestion of removing the bulb might be the right answer.

[tevake]

After many stops to check and find correct fluid levels, with the light coming on repetedly. And efforts to fix the problem.
I did pull the bulb from the dash.

Still have a working temp gauge that doesn't make me stop all the time.

Let us know if you are able to sort it out.

Cheers Richard

[Boom Sounds]

John - I think that is stock chevvy wiring or was it an Airstream add-on? If the former, there is a section on the electrical wiring diagram for bulb faults etc in the Chevy wiring diagram manual. I posted a link in the sticky (post 94). That might help you fault find. Good luck.


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