Electronic Problem Diagnoses Needed
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Senior User
Joined: Aug 2002
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Electronic Problem Diagnoses Needed
The following started yesterday on my way to work:
2001 F-250 PSD 7.3 AUTO 4x4
- Truck started normally as usual
- On the way to work, I turned on the headlights. Within a few minutes I started to notice that the cd player was cutting out or reseting once in a while. I dind't think anything of it because I thought it was the shock from the road.
- I arrived to work and parked it the whole day. After work I put the key into the ignition and turned it to the on position waiting for the "waiting" light to go out....no power....nothing....there was no power to anything....
- By accident, I turn the head light switch to "On". At that point I was able to start the vehicle.
Today, while driving to work I turned on the head lights and all the power went out. I had to pull over. I couldn't started the vehicle again. Playing with the headlight switch didn't work either.
- I then tried disconnecting the batteries and reconnecting it. It worked!
- But I noticed that there is no power to the odbc II. I connected the diablo to the port but there was no power.
- I think the truck will start because I turned the key to on position and the wait light came on....so I'm sure it can start....
do you guys know what is going on with my electroncs?
2001 F-250 PSD 7.3 AUTO 4x4
- Truck started normally as usual
- On the way to work, I turned on the headlights. Within a few minutes I started to notice that the cd player was cutting out or reseting once in a while. I dind't think anything of it because I thought it was the shock from the road.
- I arrived to work and parked it the whole day. After work I put the key into the ignition and turned it to the on position waiting for the "waiting" light to go out....no power....nothing....there was no power to anything....
- By accident, I turn the head light switch to "On". At that point I was able to start the vehicle.
Today, while driving to work I turned on the head lights and all the power went out. I had to pull over. I couldn't started the vehicle again. Playing with the headlight switch didn't work either.
- I then tried disconnecting the batteries and reconnecting it. It worked!
- But I noticed that there is no power to the odbc II. I connected the diablo to the port but there was no power.
- I think the truck will start because I turned the key to on position and the wait light came on....so I'm sure it can start....
do you guys know what is going on with my electroncs?
Senior User
Joined: Mar 2005
Posts: 112
Likes: 2
Sounds like a clasic case of backfeed to me. I'd say you have a problem in you power feed to the computer or related system. When the headlights were on, the headlight circuit was able to supply the power needed - for a while. Now the headlight circuit it'self has most likely failed (fuse, I hope) so no longer can supply the juice to the system.
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