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280zzzzz

280 Volt Gauge Trouble Shooting

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Yeah, if the gauge is working correctly, then the problem is most likely in the wiring harness, as NewZed suggested.  Start with the dash harness and test your connections with a multimeter.  Very easy for these old connectors to begin to fail, or have a dirty connection at the terminal plugs.  Poor grounds are very often the cause of electrical issues in the S30.

 

If you conduct all your troubleshooting and still haven't resolved the issue, you can always take the easy way out and rewire your gauge into a functional switched 12V circuit and be done with it.

 

If you don't have the FSM for your vehicle yet, you can download all years for free at http://www.xenonzcar.com/.

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On 7/12/2020 at 8:16 AM, jhm said:

Yeah, if the gauge is working correctly, then the problem is most likely in the wiring harness, as NewZed suggested.  Start with the dash harness and test your connections with a multimeter.  Very easy for these old connectors to begin to fail, or have a dirty connection at the terminal plugs.  Poor grounds are very often the cause of electrical issues in the S30.

 

If you conduct all your troubleshooting and still haven't resolved the issue, you can always take the easy way out and rewire your gauge into a functional switched 12V circuit and be done with it.

 

If you don't have the FSM for your vehicle yet, you can download all years for free at http://www.xenonzcar.com/.

Thanks Guys -  Ya  time to roll up sleeves and get in there...FSM in one hand... and translator from the humorist who wrote the manual to english in the other...

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