Question about 1987 Mercury Sable
Car would only start when engine cold, runs great when it starts. battery is good ,mechanic changed the alternator, thinking that was it...still same problem... finally changed ground wire ... ran good for a few days then burning smell noticed and again same problem. Car starts right up with a jump...mechanic changed ground wire 2x's...now having same problem, car only starts when jumped but fires right up..I believe SOMETHING???? is burning out the ground wire
Sounds like the ground wire is not grounding properly. Maybe not tight enough or the thing it is grounded to is not properly grounding to the engine. Try grounding to a different spot on the engine where there will be a good ground and see what happens. Possible the starter is pulling too much power and needs replacing. I had that happen some time ago.
Posted on Jun 09, 2017
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Posted on Jan 02, 2017
SOURCE: car won't start just clicks.
I had the same problem in my truck. Replaced the starter relay (not a solenoid in my truck, and that makes a difference) on a guess and it was fine- then a month later turned had the same problem. Arced out when I tried to jump it. Turned out to be the battery, even though it wasn't old and registered fine voltage. I had been rear-ended and I guess there was a loose plate on the bottom inside of my batttery that sometimes shifted and caused an intermittent live short. Everyone told me it was the alternator or voltage regulator, I never bothered with those after following the book. Get a Haynes electrical manual to trouble shoot, it's the bomb! Been fine for almost a year now- never would have guessed if I hadn't followed the steps in that book.
Posted on Jan 18, 2009
what probley happened the alternator started to heat up alittle to much and caused the belt to spin on the pulley i would go ahead and get the alternator replaaced as soon as possible. as for the lights dimming and the gauges not working you was running off your battery making the vehicle mess up i would also get your battery checked while your at it.
Posted on Jun 09, 2009
SOURCE: Car wouldn't start. Thought
did they run a test on the alternator!! at battery when off should be at least 12.6 volts, less than 12 volts battery is bad. when running at battery voltage should be at least 14.1 to 14.7, thats if alternator is ok. if less than above replace alternator. if alt. is ok, could be a bad battery.
Posted on Jun 16, 2011
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