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LMC Truck



Username Post: doorlock keyfob        (Topic#348261)
Jack Crain 
Contributor
Posts: 840

Loc: Wichita Falls, Texas
Reg: 07-24-11
11-18-17 06:21 AM - Post#2714835    

Not sure if keyfob is correct name but the thing you unlock/lock doors with from a distance. It started working intermittently then finaly bit the dirt. I tried to unlock the drivers door with the key and had a very difficult time. I was afraid I might break the key. After playing with it for awhile, I got the door unlocked.
My question.... is thre a battery in the keyfob and if so, how do I change it and will I need to reset it for my truck or will just changing the battery do the trick?
It is a 2005 GMC Sierra


1946 Fleetmaster 4-dr Sedan with '57 235
Fenton Dual Exhaust and Intake
Dual Carter Webbers 2 barrel Carbs
HEI ignition
Front Disk Brake
T-5 Tranny


Edited by Jack Crain on 11-18-17 06:24 AM. Reason for edit: No reason given.

 
LMC Trucks
rockfangd 
"4th Year" Gold Supporting Member
Posts: 2281

Age: 31
Loc: Utica ny
Reg: 04-13-10
11-18-17 04:07 PM - Post#2714885    
    In response to Jack Crain

those fobs
were very problematic with the rubber membrane (the buttons)
The battery solder joints.
When the membranes start to fail it makes the buttons hard to press and intermittently work.
The case pops apart with a coin in the slot.
Once open it should take a CR2032 cap battery IIRC.
This is assuming you are referring to the oem fob

Old School GM fan FOREVER


Edited by rockfangd on 11-18-17 04:09 PM. Reason for edit: No reason given.

 
Jack Crain 
Contributor
Posts: 840

Loc: Wichita Falls, Texas
Reg: 07-24-11
11-19-17 03:19 AM - Post#2714912    
    In response to rockfangd

Thanks Rock. Yeah, it's the oem fob

1946 Fleetmaster 4-dr Sedan with '57 235
Fenton Dual Exhaust and Intake
Dual Carter Webbers 2 barrel Carbs
HEI ignition
Front Disk Brake
T-5 Tranny


 
wagonman100 
Super Senior Member
Posts: 13931
wagonman100
Loc: Baltimore, MD
Reg: 11-27-04
11-24-17 06:43 PM - Post#2715614    
    In response to Jack Crain

The directions to reset the fob after battery replacement should be molded inside the fob case.

Jay
Some days it's not worth chewing through the restraints.

1999 Silverado Z71 4X4 extra-cab short bed
1983 Malibu Fauxmad - tubbed
1978 El Camino Kustomized
1972 Monte Carlo
1957 210 handyman wagon
1957 Nomad sport wagon


 
454cid 
Frequent Contributor
Posts: 2468
454cid
Age: 44
Loc: West Michigan
Reg: 02-18-12
11-24-17 11:56 PM - Post#2715639    
    In response to Jack Crain

Just changing the battery doesn't require reprogramming.... at least I've not done that. The only time I've done the reprogramming is when I bought a new fob from ebay. I looked online for instructions.

99 K3500 RCLB


 
wagonman100 
Super Senior Member
Posts: 13931
wagonman100
Loc: Baltimore, MD
Reg: 11-27-04
11-25-17 10:16 AM - Post#2715683    
    In response to 454cid

It's not reprogramming exactly, but when I changed the batteries in the ones for my truck they needed to be reset I guess would be the word for it. The instructions are molded into the inside of the fob case.

Jay
Some days it's not worth chewing through the restraints.

1999 Silverado Z71 4X4 extra-cab short bed
1983 Malibu Fauxmad - tubbed
1978 El Camino Kustomized
1972 Monte Carlo
1957 210 handyman wagon
1957 Nomad sport wagon


 
454cid 
Frequent Contributor
Posts: 2468
454cid
Age: 44
Loc: West Michigan
Reg: 02-18-12
11-26-17 09:43 PM - Post#2715872    
    In response to wagonman100

  • wagonman100 Said:
It's not reprogramming exactly, but when I changed the batteries in the ones for my truck they needed to be reset I guess would be the word for it. The instructions are molded into the inside of the fob case.



Press Unlock and Lock for 7 seconds, near car, to reset..... according to what's molded into mine. I don't recall ever having done that, Though. I guess I'll see if I need to do it, when I try to unlock my truck tomorrow.


99 K3500 RCLB


 
Jack Crain 
Contributor
Posts: 840

Loc: Wichita Falls, Texas
Reg: 07-24-11
11-27-17 05:47 AM - Post#2715893    
    In response to 454cid

Thanks for the info.

1946 Fleetmaster 4-dr Sedan with '57 235
Fenton Dual Exhaust and Intake
Dual Carter Webbers 2 barrel Carbs
HEI ignition
Front Disk Brake
T-5 Tranny


 
454cid 
Frequent Contributor
Posts: 2468
454cid
Age: 44
Loc: West Michigan
Reg: 02-18-12
12-01-17 02:38 PM - Post#2716574    
    In response to Jack Crain

Just to update..... I did not have to reset my key fob after splitting it, and removing the battery.

99 K3500 RCLB


 
rockfangd 
"4th Year" Gold Supporting Member
Posts: 2281

Age: 31
Loc: Utica ny
Reg: 04-13-10
12-01-17 08:40 PM - Post#2716610    
    In response to 454cid

good.
Thanks for updating

Old School GM fan FOREVER


 
Jack Crain 
Contributor
Posts: 840

Loc: Wichita Falls, Texas
Reg: 07-24-11
12-03-17 04:26 AM - Post#2716706    
    In response to 454cid

Yeah, Same here. Just replaced the battery and it works. Thanks to all for the input.

1946 Fleetmaster 4-dr Sedan with '57 235
Fenton Dual Exhaust and Intake
Dual Carter Webbers 2 barrel Carbs
HEI ignition
Front Disk Brake
T-5 Tranny


 
LMC Trucks
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