Electrical Issue With The Locks and Hatch (Emergency)

[OldManKamps]

So up here in Southern Ontario we got a LOAD of rain today, it rained all day. My truck's rear hatch has a rust spot on the bottom right of the window by the seal and a few weeks ago I took to fixing it. I didn't completely finish and didn't get a chance to seal it. So after work today, I go out to my truck, drive home and i hit the lock button and it doesn't lock! So I try like 30 times and nothing is happening. So I long press on the window down key on the remote, sure enough it works! Okay hmmmm, so it's still drizzling and i get back in and try to close the hatch. NOTHING. Uh oh, the window lock isn't pressed nothing is working. When i went back a few hours later, my lock button worked ONCE and never again (my lock cylinders are all seized so that was a fun crawl through the rear window). When I hit unlock, it didn't work at first press but it was delayed a second or two. So here I am now, in the middle of wet Canadian winter with my rear window completely down and my locks malfunctioning. I need someones help. None of the fuses seem to be dealing with the hatch so I really think everything is just soaked and needs to dry off.

Can anyone enlighten me on this situation? Tailights, license plate lights, hatch motor all work and the window up/down rocker, rear defrost, rear wiper, and remote lock/unlock don't work.

This is a 2000 SR5. I glanced at the wire harness going into the hatch but I don't think that's it because the window motor is still functioning, it's just not receiving signal to operate. Also, my lights dim when I use any windows and they don't when I press the rear window up button so obviously it's not even trying. (Which might be a good thing, rear window motors are $900 oem.)

 

[nissanh]

Have you checked the ground? There is a ground wire for the tail lights behind the quarter panel right behind the light housing.

DC motors are pretty much run forever, especially denso. So your motor is fine. Probably a bad ground wire.

 

[OldManKamps]

Have you checked the ground? There is a ground wire for the tail lights behind the quarter panel right behind the light housing.

DC motors are pretty much run forever, especially denso. So your motor is fine. Probably a bad ground wire.

My taillights work fine, is this what the ground is there for? Or does it ground everything in there?

 

[Tinigunner11]

So up here in Southern Ontario we got a LOAD of rain today, it rained all day. My truck's rear hatch has a rust spot on the bottom right of the window by the seal and a few weeks ago I took to fixing it. I didn't completely finish and didn't get a chance to seal it. So after work today, I go out to my truck, drive home and i hit the lock button and it doesn't lock! So I try like 30 times and nothing is happening. So I long press on the window down key on the remote, sure enough it works! Okay hmmmm, so it's still drizzling and i get back in and try to close the hatch. NOTHING. Uh oh, the window lock isn't pressed nothing is working. When i went back a few hours later, my lock button worked ONCE and never again (my lock cylinders are all seized so that was a fun crawl through the rear window). When I hit unlock, it didn't work at first press but it was delayed a second or two. So here I am now, in the middle of wet Canadian winter with my rear window completely down and my locks malfunctioning. I need someones help. None of the fuses seem to be dealing with the hatch so I really think everything is just soaked and needs to dry off.

Can anyone enlighten me on this situation? Tailights, license plate lights, hatch motor all work and the window up/down rocker, rear defrost, rear wiper, and remote lock/unlock don't work.

This is a 2000 SR5. I glanced at the wire harness going into the hatch but I don't think that's it because the window motor is still functioning, it's just not receiving signal to operate. Also, my lights dim when I use any windows and they don't when I press the rear window up button so obviously it's not even trying. (Which might be a good thing, rear window motors are $900 oem.)

I'm confused on what the problem is? Is it that the locks are not working at all? Or that something is wrong with the rear hatch window?

 

[TheDurk]

So up here in Southern Ontario we got a LOAD of rain today, it rained all day. My truck's rear hatch has a rust spot on the bottom right of the window by the seal and a few weeks ago I took to fixing it. I didn't completely finish and didn't get a chance to seal it. So after work today, I go out to my truck, drive home and i hit the lock button and it doesn't lock! So I try like 30 times and nothing is happening. So I long press on the window down key on the remote, sure enough it works! Okay hmmmm, so it's still drizzling and i get back in and try to close the hatch. NOTHING. Uh oh, the window lock isn't pressed nothing is working. When i went back a few hours later, my lock button worked ONCE and never again (my lock cylinders are all seized so that was a fun crawl through the rear window). When I hit unlock, it didn't work at first press but it was delayed a second or two. So here I am now, in the middle of wet Canadian winter with my rear window completely down and my locks malfunctioning. I need someones help. None of the fuses seem to be dealing with the hatch so I really think everything is just soaked and needs to dry off.

Can anyone enlighten me on this situation? Tailights, license plate lights, hatch motor all work and the window up/down rocker, rear defrost, rear wiper, and remote lock/unlock don't work.

This is a 2000 SR5. I glanced at the wire harness going into the hatch but I don't think that's it because the window motor is still functioning, it's just not receiving signal to operate. Also, my lights dim when I use any windows and they don't when I press the rear window up button so obviously it's not even trying. (Which might be a good thing, rear window motors are $900 oem.)

The bolded part is simply wrong. Go back and really examine that harness. Communication controlling locks and rear window are on separate wires from the circuits that supply power and ground. Also, did you check your MPX-B fuse? That "deals with the hatch", specifically communication with the front. Water on bad wiring in the harness or elsewhere can easily pop it.

 

[OldManKamps]

I'm confused on what the problem is? Is it that the locks are not working at all? Or that something is wrong with the rear hatch window?

I'm sorry! The remote unlock doesn't work but the locks inside the truck work. One of the times I tried the locks, they delayed but that was it!

The problem is the window won't go back up. It's almost as if the hatch isn't receiving any power.

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[OldManKamps]

The bolded part is simply wrong. Go back and really examine that harness. Communication controlling locks and rear window are on separate wires from the circuits that supply power and ground. Also, did you check your MPX-B fuse? That "deals with the hatch", specifically communication with the front. Water on bad wiring in the harness or elsewhere can easily pop it.

Ah okay! I will go out and check that fuse.

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[OldManKamps]

Okay so this morning, remote unlock worked and the window went back up!
Thanks for the help it looks like it just got wet!

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[Tinigunner11]

Glad to hear it's working! Things that fix themselves are the best.