Re: 91 Explorer, Electrical Problem - Ford Forums - Mustang Forum, Ford Trucks, Ford Focus and Ford Cars
 
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post #1 of 4 (permalink) Old 06-14-05, 01:11 AM
John Riggs
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Re: 91 Explorer, Electrical Problem

What does your battery read without the engine running?

"Paul" <paulspencer56@hotmail.com> wrote in message
news:IL7ne.17665$j51.1613@tornado.texas.rr.com...
| My 91 with 126 K miles has a problem with the elctrical system. Volt
meter
| on the dash wanders on the high side. I have put a voltmeter across the
| batter with the engine running and read 14.5 to 15.5 with a steady
| frequency. Checked the alt at Autozone on and off the car and its okay,
| replaced the voltage regulator just to be sure and it still wanders. Any
| ideas? Thanks, Paul.
|
|




 
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post #2 of 4 (permalink) Old 06-14-05, 01:11 AM
Ashton Crusher
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Re: 91 Explorer, Electrical Problem

On Thu, 2 Jun 2005 02:12:56 -0500, "John Riggs"
<johnri60626@netzero.net> wrote:

> What does your battery read without the engine running?
>


Field and stream.



Usually about 12.5 to 12.8 volts.

>"Paul" <paulspencer56@hotmail.com> wrote in message
>news:IL7ne.17665$j51.1613@tornado.texas.rr.com...
>| My 91 with 126 K miles has a problem with the elctrical system. Volt
>meter
>| on the dash wanders on the high side. I have put a voltmeter across the
>| batter with the engine running and read 14.5 to 15.5 with a steady
>| frequency. Checked the alt at Autozone on and off the car and its okay,
>| replaced the voltage regulator just to be sure and it still wanders. Any
>| ideas? Thanks, Paul.
>|
>|
>


 
post #3 of 4 (permalink) Old 06-14-05, 01:11 AM
ross via CarKB.com
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Re: 91 Explorer, Electrical Problem

I'm going to suggest you clean both battery terminals well for starters.
Then follow your negative cable to where it grounds, and remove and clean
the cable ground. Next, find and clean both ends of your engine ground
strap (you usually find it on the back of the engine connecting to the
firewall).

Since you removed the alternator, I assume the battery connector on the
alternator is clean and tight as well as the other connections.

Not sure that will fix it, but it eliminates this as a cause, and is simple
to do.

If that doesn't fix it, post back and tell us how fast it cycles the
voltage up and down, and whether that cycle stays constant as you rev the
engine.

--
Message posted via http://www.carkb.com
 
post #4 of 4 (permalink) Old 06-14-05, 01:11 AM
John Riggs
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Re: 91 Explorer, Electrical Problem

Cute.

"Ashton Crusher" <Hello@nowhere.net> wrote in message
news:htfv91h0hh9ac8qek32nvkdk9m0egc49t2@4ax.com...
| On Thu, 2 Jun 2005 02:12:56 -0500, "John Riggs"
| <johnri60626@netzero.net> wrote:
|
| > What does your battery read without the engine running?
| >
|
| Field and stream.
|
|
|
| Usually about 12.5 to 12.8 volts.
|
| >"Paul" <paulspencer56@hotmail.com> wrote in message
| >news:IL7ne.17665$j51.1613@tornado.texas.rr.com...
| >| My 91 with 126 K miles has a problem with the elctrical system. Volt
| >meter
| >| on the dash wanders on the high side. I have put a voltmeter across
the
| >| batter with the engine running and read 14.5 to 15.5 with a steady
| >| frequency. Checked the alt at Autozone on and off the car and its
okay,
| >| replaced the voltage regulator just to be sure and it still wanders.
Any
| >| ideas? Thanks, Paul.
| >|
| >|
| >
|


 
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