Help! Power door locks dont function
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Logistics Pro
Joined: Nov 2010
Posts: 4,654
Likes: 20
From: Tewksbury, MA
Help! Power door locks dont function
Hey guys I only have another hour of day lights today but here's the story. I am switching over to 08 door panels so in my attempt to rewire the door locks I crossed a bunch of wire that I shouldn't have because I had the wrong pin out and I shorted out the circuit. I rebuilt my 08 switches with the 04 parts so now I can reuse my old wiring connectors. I just soldered the old connectors back on and replaced the 30 amp fuse for the power locks. for some reason only the lock function on the passenger side works and it locks both doors but I have no unlock function on the passenger side or anything on the drivers side. Are there any other fuses that I could have missed? I don't have long to do anything invasive but as far as fuses I have all day to replace them. Basically I shorted stuff then I put everything back to the way it was stock and now my locks no worky 
Cargo Master
Joined: Oct 2011
Posts: 2,958
Likes: 4
From: Denver, NC
If the Right side operates the Lock function that eliminates a blown Fuse (since theres only 1) but i wonder if theres any Fusible-Link Wire in there 
Never had to work on this problem & i dont have a wiring diagram so iam not much help at all Matt....Sorry
Are u sure all Wire's went where they should've on reassembly
I do believe there's a Door Lock Control Module, wonder if u killed it
Never had to work on this problem & i dont have a wiring diagram so iam not much help at all Matt....Sorry
Are u sure all Wire's went where they should've on reassembly
I do believe there's a Door Lock Control Module, wonder if u killed it
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Logistics Pro
Joined: Nov 2010
Posts: 4,654
Likes: 20
From: Tewksbury, MA
Thanks for repmying king. The wiring is connected back to the factory configuration. Do I have a VS or and lock relays? My truck didn't come with the factory remote keyless entry so I'm not sure if I have those, I've got some diagrams but tracing it's a pain lol. Starting to think my actuators might be toast if I was forcing power into them continuously it might have fried the resistors...maybe I'm no electrical genius lol.
Fleet Mechanic
Joined: Nov 2010
Posts: 1,408
Likes: 249
From: Ringgold, Ga
Do you have a 12 volt test light??
Get good ground with panels off. Probe each wire seperaty ly while pushing the lock/unlock button.
If the system works each wire should get 12 volts with 1 or the other lock/unlock functions.
If you get test light to Iight it's the actuator. If not there is a problem elsewhere.
There are some relays way back on firewall behind the radio.
Get good ground with panels off. Probe each wire seperaty ly while pushing the lock/unlock button.
If the system works each wire should get 12 volts with 1 or the other lock/unlock functions.
If you get test light to Iight it's the actuator. If not there is a problem elsewhere.
There are some relays way back on firewall behind the radio.
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Logistics Pro
Joined: Nov 2010
Posts: 4,654
Likes: 20
From: Tewksbury, MA
Will do thanks petro! Are the relays there even if I didn't have keyless entry stock? I ohmed out both switches and they worked. So switches are good, fuse is good next I'll do what you suggested. I'll have to wait until tomorrow afternoon...hate winter there's no daylight.
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Fleet Mechanic
Joined: Nov 2010
Posts: 1,408
Likes: 249
From: Ringgold, Ga
I don't if relays are there is no keyless entry. Search keyless entry test in the search box.
Think you cycle key off-on like 7to11 times. If its there your locks will cycle.
So the one that works should move.
I love my headlamps. Wear one at least twice a wk piddling with carpet cleaning van after dark. They are priceless
Pull radio and get flash light and see if there is 1in x 4 in plastic cover back there. The relays are behind it. On my 2000 anyway. Also some trucks have anti theft device module behind dash too.
Think you cycle key off-on like 7to11 times. If its there your locks will cycle.
So the one that works should move.
I love my headlamps. Wear one at least twice a wk piddling with carpet cleaning van after dark. They are priceless
Pull radio and get flash light and see if there is 1in x 4 in plastic cover back there. The relays are behind it. On my 2000 anyway. Also some trucks have anti theft device module behind dash too.
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Fleet Mechanic
Joined: Nov 2010
Posts: 1,408
Likes: 249
From: Ringgold, Ga
They are straight back behind a/c controls. They have a black plastic cover over them probably.
I did pull lower dash for better access. Wonder if there is a chance you don't have them??
I did pull lower dash for better access. Wonder if there is a chance you don't have them??
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Logistics Pro
Joined: Nov 2010
Posts: 4,654
Likes: 20
From: Tewksbury, MA
Sorry I did not, it was supposed to snow today and my 95's tired are bald lol so I buttoned her up to use her today...only to get a dusting -__-. I'll start pulling the dash again tonight.
Also petro I never got it lol.
Also petro I never got it lol.
