Electrical Problems With the 7.3L (PLEASE HELP)
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Joined: Jul 2013
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From: Arvada
Now they are telling me that after the drop test/load test they ran the alternator on a different test. Supposedly that is the issue now. All the times prior the alternator never read negative, now it failed. So there is more money down, hopefully that is the final fix. They ran it on a 40 something test.....maybe a 40 battery test? I don't remember what they called it but they said that is what they were able to determine it was.
Long story short, I had the same issues as you and this is what the dealership told me.
Long story short, I had the same issues as you and this is what the dealership told me.
I seemed to have fixed mine by bypassing the battery saver relay built into the instrument cluster check out the other thread I put a link to in a previous post. I posted up some pics and a step by step in that thread. Cheap and worth a shot
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From: Phoenix
FTE Remembers
Joined: Apr 2012
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From: Spanaway
I know it's an older truck but if you look in this photo and see that plug
You may/should have something like that. It is the wire that goes down to the starter
solenoid if you put 12V to it the starter should turn. The easy way to find yours would
be to work back up from the starter and see if you can find the quick disconnect and try
and see it the starter will turn over. If it does then the starter to that point is good.
Then from that point check the other side to see if you getting any voltage when you turn
the key to start.
One thing that would really help you is a wiring diagram for you truck. It would remove a lot of
the guessing and pinpoint things.
Sean
You may/should have something like that. It is the wire that goes down to the starter
solenoid if you put 12V to it the starter should turn. The easy way to find yours would
be to work back up from the starter and see if you can find the quick disconnect and try
and see it the starter will turn over. If it does then the starter to that point is good.
Then from that point check the other side to see if you getting any voltage when you turn
the key to start.
One thing that would really help you is a wiring diagram for you truck. It would remove a lot of
the guessing and pinpoint things.
Sean
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Jdonovan11832
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Jul 17, 2013 03:14 PM
