It hasn't been cold her for a few years. I went to start the SD & it only cranked but didn't start. It was plugged in and I cycled the GP 3 times. I don't "know" that the block heater works, only that it was plugged in.

The car normally starts immediately. If everything is in good shape, how cold can it be where a plugged in car that is parked outside starts easily?

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85SD 240K & stopped counting painted, putting bac together. 84SD 180,000. sold to a neighbor and member here but I forget his handle. The 84 is much improved from when I had it. 85TD beginning to repair to DD status. Lots of stuff to do.