saab Workshop Repair Guides

Saab Workshop Service and Repair Manuals

Rear Defogger|Testing and Inspection|Page 5610 > < Rear Defogger|Testing and Inspection
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Voltage

Criteria

Approx. 6 V

OK

Approx. 12 V or 0 V

Broken

NOTE:

-

If the measured value is 12 volts, heat wire is open between wire center and positive (+) end.

-

If zero volt, heat wire is open between wire center and ground.

Apply positive lead of voltmeter to positive terminal of voltmeter, and then move the negative lead along the wire up to negative terminal end. If voltage
changes from zero to several volts during movement of lead, heat wire is open at the voltage change point.

Rear Defogger|Testing and Inspection|Page 5610 > < Rear Defogger|Testing and Inspection