power door lock rewire
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Freshman User
Joined: Aug 2003
Posts: 35
Likes: 0
From: Maple Valley, WA
power door lock rewire
The driver's door power lock on my 88 Bronco is not working. When I pulled the plug on the actuator only one side appeared to have any power. When I tried a new actuator it was still not functioning. The new unit worked fine on the other door. I am thinking that there may be some bad wiring to the driver's door, even if there is voltage perhaps there isn't enough amps flowing. I traced the wires to in front of the coolant and washer tank, where the relays are. I am thinking of rewiring from the relays back to the driver's plug so that I can keep the plug connections. I could find the wiring point where the wires split and go to the passenger's and rear gate, but the route from the relays to the driver's door is pretty much a straight shot. Anyone have any other ideas to check first or suggestions?
Thanks.
Thanks.
Post Fiend
Joined: Jun 2002
Posts: 13,873
Likes: 3
From: Atlanta GA
Make two individual, 15 foot, fused 15 amp (each one is 15 amp) test leads with ->small<- alligator clips. Apply to the lock to see if it locks or unlock. That is the first step I take when working with the windows and locks before I start troubleshooting. It helps determine if the fault is the switch, wiring, motor, or actuator.
Thread Starter
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Freshman User
Joined: Aug 2003
Posts: 35
Likes: 0
From: Maple Valley, WA
problem was two broken wires
The problem ended up being one wire to the door lock actuator and another wire to the lock button. Since I couldn't find the wire junction in the cab, I traced the wires to the relays just in front of the coolant bottle. I patched the wires from this point, following the existing wiring to the door switch and lock actuator. All work good now.
