Starting to troubleshoot my inop dash gauge lighting

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#4 (permalink)

07-11-2020, 08:47 PM

Gaz64

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Join Date: May 2008

Location: Brisbane, QLD

Cobra Make, Engine:

Posts: 2,797

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Quote:

Originally Posted by ERA 626

what would that do? you say " ohm meter" are you implying checking for resistance across the 2 wires? Im confused...

With the hot lead (12v positive) disconnected from the rheostat input, we can then read the rheostat resistance with an ohmmeter while moving the rheostat dial.

I would check for 12v positive at the input lead with a voltmeter, DVM or DMM, digital voltmeter/digital multimeter.

Gary

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Gary

Gold Certified Holden Technician

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