Hi there, I have a small problem with my power locks. The buttons to unlock and lock the doors all work (both sides). But recently the passenger side door stopped locking and unlocking with the buttons. The passenger side buttons still lock and unlock the driver side door but the passenger side isn't locking and unlocking. At first it worked, then it worked sometimes randomly and now it completely stopped working. I know the actuator thingy is good because I actually got it to unlock once today. After that it didn't work anymore... again. Anyone know what the problem might be? And where do all the power lock wires meet each other? Thanks!

 

Check in the harness between the door and the body of the car where the door opens to see if there's a broken wire in there. After year of opening and closing the doors they can become frayed.

 

Tonys tip on the wiring there is a great idea. That is a high stress area.

Just because you managed to get your door to unlock once doesn't mean the motor is good. I had a power window motor that did the same thing. Once I changed it, it was all good. What I would do is take the door panel off(at this time you'll be able to kind of look in the harness Tony is talking about too) and locate the actuator and it's wires. You can then use a multimeter and while operating the lock and unlock switch, see if there is any voltage on the wires. If you are getting no voltage, make sure your meter is grounding properly by finding a known hot wire to test. If all else fails, get two long wires and run them straight from the battery. If your meter is showing voltage when hooked to those two wires, leave the negative one hooked to the battery and then test your actuator wires. If you have good voltage coming to the motor but, it's not working, then your motor is most likely bad. If not, then you have extensive troubleshooting to do.

 

A wiring diagram may be helpful:

http://www.austinthirdgen.org/index.php?pid=19

JamesC

 

Thanks every1! I'm gonna check it today.

 

What I have found is over time, the latch gums up, and even though the power actuator fucntions , it's not moving the rod far enough to lock or unlock the mechanism. Mine started doing this, I would lock the car via remote, but the pass door would remain unlocked. Took the door panel off, cleaned out the latch/actuator, and lubed everything. Worked like a charm. Also after sitting for the last 4 years, it did the same thing again. Once more I cleaned and lubed the parts, works fine. I would suggest trying this since you seem to be getting power and ground to the parts.

Will

 

Since I've had the car the actuator worked but didn't actually open or close the locks. So I took apart the door and WD40'd the sh*t out of the actuators. They worked perfectly after. Till this happened. The actuator in the passenger side isn't doing anything. I think it's something in the wiring or the switch has gone bad. But thanks anyways

 

WD40 is not a good lubricant. It's a very light lubricant and is better at displacing water and protecting from corrosion and penetrating liquid. You may need to lube again.

 

I recommend White lithium grease. i found wd 40 would tend to wear off after a couple of seasons. i used white lithium grease and have had no problems three years in a row. Even got that new ''Clunk sound"" back lol

 

This is great, sounds like it will solve my problem.

 

Still haven't had time to take a look at the wires. Just swapped a cam into my 355. But I'm pretty sure I must have a broken wire somewhere. I'll post up here as soon as I find my problem. Thanks for all the help!

 

that sound likes my problem

 

Ok, so I haven't had much time to post. I was in the U.S. last week to go see some NHRA races. Anyways, I found out my problem was the passenger side lock actuator. I ordered 2 new actuators so I could change them both out while I'm at it. They work fine. The only problem I have is the tiny black piece that connects the metal rod from the actuator to the little mechanism broke on the driver side! I'll fix it on way or the other though. Atleast I know what the problem was and fixed that. Thanks for all the help!