Electrical nightmare
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Senior User
Joined: Sep 2006
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From: Linden, VA
Electrical nightmare
Need some help guys.. My 2000 F-250 wouldn't start this morning. It almost did this yesterday as well but today it just cranks. Imediately, I thought CPS and pulled my new (grey) spare out of the glove box and nothing. I know that a new CPS can be bad out of the box but in addition to this problem my dome light clicks on and off as if wired to the hazards and the windshield wipers go through one cycle when I release from the start possition. While cranking, the tach moves then stops, then moves, then stops. Thinking maybe something in the steering column but I am also worried that I may have a bad PCM or IDM.
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Senior User
Joined: Sep 2006
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From: Linden, VA
Just charged the batts and altinator is only about 6mo old. I have no SES light or recorded codes (old actron scanner). I will charge the batts again. If they are weak again already, I may have to agree with you but I have been trying to start the truck and I had the ignition on for a while trying to get it in the garage.
Hotshot
Joined: Jul 2003
Posts: 12,177
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From: Newport, WA
Don't forget to clean the posts and terminals! Charged batts are useless if the connections are all gunked up.
Easy test for gunked up terminals- put the leads of your multimeter on the battery posts, then move them to the terminals. If the readings aren't darn close or the same, you're losing the connection due to corrosion.
Easy test for gunked up terminals- put the leads of your multimeter on the battery posts, then move them to the terminals. If the readings aren't darn close or the same, you're losing the connection due to corrosion.
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From: Linden, VA
Unfortunately, I am building a new house and all of my lead cords are there. If I can get my charger connected to the batts in the truck I can prove or disprove batts by going to start mode.
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Senior User
Joined: Sep 2006
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From: Linden, VA
OK. Recharging batts, connections were good. While cranking, voltage drops to about 10.5. Also, there is a clicking noise coming from an electrical component under the drivers side battery. Is that the IDM?
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Senior User
Joined: Sep 2006
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From: Linden, VA
This clicking was about at 1 second intervals. I believe you guys may be right about the batts but I still would like to know if that is the IDM. Is it toward the front of the driver side wheel well?