1984 Ram Crank No Start

84 Ram, Mopar 5 pin ECU, crank/no start.

Everything new 9k miles ago, not that it matters.
Hit it with the pressure washer the other day, started it up after to dry it off, parked it in the sun for the day to dry.
Left the doors open to air it out, came out to start, dead battery.
I forgot the interior light only comes on when the pass door is open, thinking that caused it.
Jumped it, no go.
Cleaned up battery terminals, no go.
Tested for spark at the # plug wire, no spark, at the coil...

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Author: admin