Can use advice!!!!
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Tuned
Joined: Feb 2003
Posts: 426
Likes: 4
Can use advice!!!!
I've got a 1987 f250 4.9l. It has been a real workhorse for me for 26 years, completely reliable, etc. Last Sunday, suddenly I'm getting almost nothing from the battery. The gauges barely move, parking lights only will come on, radio comes on, and that is it. I'm getting no sound from the fuel pump or anything else and, of course, no cranking.
The battery is at full charge, main fuse is okay, cables have been cleaned and are secure including to the starter, frame, and engine. I don't think it is a ignition key problem as the light switch, that doesn't go through the ignition switch, is operating although at minimal power.
Where would you go to check on this problem? I could sure use some advice.
Thanks
The battery is at full charge, main fuse is okay, cables have been cleaned and are secure including to the starter, frame, and engine. I don't think it is a ignition key problem as the light switch, that doesn't go through the ignition switch, is operating although at minimal power.
Where would you go to check on this problem? I could sure use some advice.
Thanks
Cargo Master
Joined: Mar 2007
Posts: 2,856
Likes: 1,037
Fully charged? How do you know that? Do you have a volt meter?
Perform voltage drop tests on the main power/ground circuits. Secure means nothing. I've seen plenty of secure connections that do not pass current.
Perform voltage drop tests on the main power/ground circuits. Secure means nothing. I've seen plenty of secure connections that do not pass current.
Lead Driver
Joined: Sep 2002
Posts: 9,554
Likes: 2,034
From: North Texas
I do know the solenoid on the fender needs a clean ground to close, so need to verify snug. How old is the batt? I seem to attain 3-4 years from them only now with a good one.
Also applies - https://www.ford-trucks.com/forums/1...ou-cranky.html
Also applies - https://www.ford-trucks.com/forums/1...ou-cranky.html
Hotshot
Joined: Jul 2020
Posts: 10,541
Likes: 2,664
From: Near Salt Lake City
The lead to copper wire interface fails inside old battery terminals
I'd check the battery ground wire where it attaches to the block
I'd also make sure the chassis ground is still there on the frme
I'd check the battery ground wire where it attaches to the block
I'd also make sure the chassis ground is still there on the frme
Thread Starter
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Tuned
Joined: Feb 2003
Posts: 426
Likes: 4
Thanks to all who responded. Before I asked for the advice, I had made sure the battery was fully charged. I checked with the voltmeter, and just to be sure, put it on the charger for awhile. Well, I've only had it happen once before so hadn't given it any thought, but the voltmeter was misleading. I had the volts but didn't have the amps to pull anything. New battery and the problem is solved. Thanks again for the quick responses.
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