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12-02-2024, 12:28 PM
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#1 |
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Registered User
Join Date: Mar 2020
Location: The Woodlands,Tx
Posts: 588
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power door locks
my power door locks on my 78 Silverado has an issue. They will work locking the doors but will not unlock them using the factory button. Any ideas? Maybe the button itself. Looking for thoughts before I remove door panel.
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12-02-2024, 04:52 PM
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#2 |
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Robert Olson Transport
 
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,310
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Re: power door locks
most time it is the button.. if you can pop off the left side first, try using a power probe to send power and see what they do 99% of the time its a button or connection to button issue
__________________
Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
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12-02-2024, 07:10 PM
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#3 |
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Registered User
Join Date: Mar 2020
Location: The Woodlands,Tx
Posts: 588
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Re: power door locks
will do. will update
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12-03-2024, 06:09 PM
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#4 |
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chevy truck fan
Join Date: Mar 2005
Location: Gilbert, arizona 85298
Posts: 2,008
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Re: power door locks
keep us posted, I am having a similar issue, but I am pretty sure it is a button/switch issue for me ???
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12-05-2024, 06:49 PM
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#5 |
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Registered User
Join Date: Nov 2012
Location: McKinney, TX
Posts: 114
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Re: power door locks
I just removed my door panel the other day and noticed the connection points get pretty crusty/dirty. I'd suggest pulling your panel, pull the plug off, clean up the contacts and stuff and plug it back in. If the power is working to lock them, chances are high the wiring is fine. It's likely just the button trying to contact the unlock side is gunked up or no longer making the connection properly.
Mine seem to work when I push and hold or hit it a couple times in a row.. again leading me to think the contacts are just messy (which is why I started digging into it). |
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12-10-2024, 02:26 PM
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#6 |
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chevy truck fan
Join Date: Mar 2005
Location: Gilbert, arizona 85298
Posts: 2,008
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Re: power door locks
I spent some time this past weekend and replaced the inner/outer felt runs for the doors....so.. while panel was off I spent a few minutes looking at my lock switch. I cleaned the contacts (fine pad) along with blowing out the back of the switch. I "squeezed" some electrical grease around the lever (up/down motion) and worked it in some. it appears to have fixed my issue, the lock switch now works when pressed up/down. I will eventually replace the switch(s). not sure if this might help you are not. I thing the majority of problems are related to age & "dirt". spend some time & clean the contacts (switch and harness), clean the switch housing good & apply some elec. grease around the up/down lever and just work with the housing to "replenish"/renew the switch.
good luck!! |
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