Electrical I think - Car Troubleshooting


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Electrical I think

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Rangerj
User

Aug 7, 2011, 1:38 PM

Post #1 of 5 (1669 views)

Electrical I think	Sign In

1993 Nercury Grand Marquis 98,000 miles,4.6 V-8,auto Well Maintained.Recently the turn signals strated blinking real slow and then quit, the power windows would not work and the radio was buzzing.Afterwards the car had to be jumped off. I replaced the battery and all is well for about a day,then the turn signals are starting to blink slow again. I had the alternator checked and it was at 14.3.Any ideas,should I be concerned?Thanks

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Aug 7, 2011, 2:27 PM

Post #2 of 5 (1663 views)

Re: Electrical I think	Sign In

When you checked the voltage output of the alternator was that when the turn signals where blinking really slow?

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Aug 7, 2011, 2:28 PM)

Rangerj
User

Aug 7, 2011, 3:43 PM

Post #3 of 5 (1652 views)

Re: Electrical I think	Sign In

No,that was after the new battery.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Aug 7, 2011, 3:54 PM

Post #4 of 5 (1646 views)

Re: Electrical I think	Sign In

Sometimes a failing alternator can intermittently stop charging. When your problem is occurring is when you should check the output voltage of the alternator.

We had a couple vehicles in the shop where the alternator would work fine for the first 10 minutes of operation and then quit after it got hot. You have to catch it when it fails.

Also check your output voltage while wiggling the connectors on the alternator. If you lose charging voltage wiggling a wire or connector, you should inspect for loose or melted terminals.

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Aug 7, 2011, 4:02 PM)

Rangerj
User

Aug 7, 2011, 5:14 PM

Post #5 of 5 (1640 views)

Re: Electrical I think	Sign In

Thanks for your reply,when and if it does it again I will have it checked then.

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