need help troubleshooting rear window defroster on 1991 olds 88 royale?

Hello my rear window defroster quit working a couple years ago, I have checked the circuit breaker, the gridlines and they are fine. So what else should I check and where? any help would be greatly appreciated!!! thanks

bandit_602011-01-19T09:23:21Z

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i have a 1988 olds 88 and it could be the switch beside the heater switch.

?2016-12-05T03:10:49Z

The steering wheel isn't locking on you you're particularly loosing your potential steering because of the fact the potential steering pump runs off the engine, even because of the fact the engine stalls the potential steering pump now no longer works. Did they replace the plug wires too? How does the MAF sensor seem? Is it particularly grimy on the interior? Have them study it. The study engine comfortable would desire to tell them what's incorrect.