Question about 1990 Mercury Cougar
I have a full charge on the battery, but when I try to turn it over, I only get a clicking noise, I am fairly sure that it is the relay switch, not real sure how to replace it.
Simple thing the click your hearing is a bad connection from battery to starter or the ground
the battery posts could be coroded or frade
remove wire look for frade wire and adjust and clean on the post of battery both ground and positive make sure they have tight connection
also make sure starter has good connection this will also give you the clicking sound cause these things i decribed are just things that have a bad contact
now for the other part of clicking its not your relay cause obviously the power is making it but not much to turn starter
other things that can be wrong
starter silennoid bad
bad cell in battery even when the battery tester says the battery is good a dead cell wouldnt show
alternator not charging battery
bad ingnition coil
this are a few things that would run down and give bad battery click check with top of this help with the cables first this will probably be the cause
Posted on Jun 04, 2008
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Posted on Jan 02, 2017
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