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My ground post sparks when I try to connect I put in a new starter

(1990 Mercury Sable)
in Sunnyside, WA on September 06, 2017
First time I have encountered this big a spark. Will it burn

What seems to make the problem better or worse? Too scared to connect
Tags: we ires fried on last st, mercury, sable
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on September 06, 2017
The battery *POSITIVE CABLE* is shorted to ground .. Most likely at the starter solenoid... Make sure it's NOT touching ANY metal part of the engine or chassis.

(It is also possible the *fender mounted* starter solenoid has shorted internally)

Does the starter try to engage when NEGETIVE cable is touched to the battery post?
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on September 12, 2017
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