Got it... Power suppled correctly to the tester, then plug into the pins wanted to explore, flip switch, and count the flashes. One flash is good. More flashes means read corresponding list to determine reason.

Sounds fairly easy. Wonder if my independent has one of these I could borrow. Might be worth a call...

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1983 300D-Turbo - Deep Blue w Palomino MB Tex (total loss in fire 1/5/09 RIP)
1995 E320 W124 Polar White/Grey Mushroom MB Tex
2005 F150 Supercrew - Arizona Beige - Lear topper
1985 Piaggio Vespa T5 - Black and Chrome

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