No Electrical Power
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New User
Joined: Nov 2001
Posts: 22
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From: Havertown,PA
No Electrical Power
Has anybody had this happen to them? I hit a bump on the road the other day and the bronco went dead. No power to anything except the alarm system. Will not turn over, no lights, no radio. I was thinking that it was the ground to the chasis or to the starter. Any ideas?
Thanks,
Luke
1984 Ford Bronco
Thanks,
Luke
1984 Ford Bronco
Junior User
Joined: Apr 2003
Posts: 50
Likes: 0
From: HI
I made a u-turn and my battery slid over and melted the end of the negative cable at the terminal. I would take those of and make sure there is no corrosion, and possibly replace your solenoid as well. i am not sure how a bump would affect it, but your symptons sound like a solenoid. Good Luck
Elder User
Joined: Apr 2002
Posts: 813
Likes: 0
From: NJ
i never heard of a grounded out oil pressure sender wire killing the engine , in all cases i believe the sending unit creates a ground when you have oil pressure. the older senders are of a variable ground type which lets the gage work. on a newer one the sender just grounds and the gage has a resistor across it so it does not pin the gage.
there are fusible links for chassis power connected to the batt side of your solenoid . to check them take an ohm meter and probe from one side of the link to the other and you should see a short if the links are good. there are more than one ground on your bronco , one very heavy gage wire connected to the block for the starter. then from the block to the fire wall and another off of the batery terminal to the radiator support area. does the vehicle cranck? the heavey ground wire is not a good chassis ground because the engine is isolated by rubber motor mounts. take some jumper cables and clamp one side to the negative batt terminal and clamp the other side to the body of the bronco and see if your electrical system comes back.
there are fusible links for chassis power connected to the batt side of your solenoid . to check them take an ohm meter and probe from one side of the link to the other and you should see a short if the links are good. there are more than one ground on your bronco , one very heavy gage wire connected to the block for the starter. then from the block to the fire wall and another off of the batery terminal to the radiator support area. does the vehicle cranck? the heavey ground wire is not a good chassis ground because the engine is isolated by rubber motor mounts. take some jumper cables and clamp one side to the negative batt terminal and clamp the other side to the body of the bronco and see if your electrical system comes back.
