90 Quattro 20V (Canada) L5-2309cc 2.3L DOHC (7A) (1989)
Oil Temperature Gauge: Testing and Inspection
Auxiliary Instruments In Center Console, Troubleshooting
Auxiliary instruments in center console, troubleshooting
Test requirements
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battery OK
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fuses 4,12 and 14 OK
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use multimeter US 1119 and connector test kit VW 1594 for electrical tests
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always refer to appropriate wiring diagram when troubleshooting
Voltmeter (G14) Does Not Work