Charging System Problems
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Joined: Apr 2004
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Charging System Problems
Hello,
I have a 1987 F150 inline 6 4.9 and I'm having a slight problem.
First off, my starter was acting up. It wouldn't release so it would just sit and turn the engine over but would not stop. I eventually had to disconnect the battery for it to stop. I took it over to the garage and they told me it was the solenoid so I had it replaced. It was working fine for about 2 days and then the accessories stopped working properly, the fan was brutally slow, very dim interior lights and such.
There is a drain somewhere and even when the truck is turned off, the battery drains. I had a new battery installed because my other one was under warranty. I put it in and the truck started fine; the next day the battery is completely dead.
Anyone have any ideas?
Thanks.
I have a 1987 F150 inline 6 4.9 and I'm having a slight problem.
First off, my starter was acting up. It wouldn't release so it would just sit and turn the engine over but would not stop. I eventually had to disconnect the battery for it to stop. I took it over to the garage and they told me it was the solenoid so I had it replaced. It was working fine for about 2 days and then the accessories stopped working properly, the fan was brutally slow, very dim interior lights and such.
There is a drain somewhere and even when the truck is turned off, the battery drains. I had a new battery installed because my other one was under warranty. I put it in and the truck started fine; the next day the battery is completely dead.
Anyone have any ideas?
Thanks.
Postmaster
Joined: Apr 2003
Posts: 3,587
Likes: 0
From: Virginia Beach
Well, first I would trace the wires coming off the battery to see if they are grounded out anywhere cuasing a short. Then, if you don't find any supicious wiring, I would charge the battery, start up the truck for just a minute then turn it off. Listen to see if there is anything running with the key off/engine off (maybe a fuel pump, cooling fan running to long, ect.). If you come up with nothing here, I would have your alternator tested. How often was the truck driven before the battery would fail? Kinda early in the morning for me to be thinking lol, or I would have a better answer 
Good luck.
Good luck.
Laughing Gas
Joined: Jun 2003
Posts: 1,218
Likes: 2
From: Parkville, MO (KC)
The new solenoid is either bad, or wired wrong. Take it back to the guys that did it and tell them as much. If you are getting nowhere after that, I would try the 87 forum. You will get electrical input that is more correct for your year vehicle, as opposed to ideas from 32 years of inline sixes in 8 different body styles!
good luck!!
good luck!!
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