Pics show how to test gauges you need resistors and a ohm meter. You can get resistors if you have a radio shack around. See if senders are getting a low voltage signal or a flashing light with a test light. If not it's a wiring issue. I screwed u p on this and sent info for testing coolant instead of oil pressure but they test the same anyhow. Pics show color of wires to test
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Tuesday, October 13th, 2015 AT 3:39 PM