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Old 08-17-2014, 10:27 PM   #1
midnight rambler
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Head light switch

I have a 1974 gmc truck i was replacing the headight switch with a new one from LMC trucks, pressed the button on the back got the old knob out. Installed the new one, put the dash cover back on, cant get the knob to go back in the switch. Any tricks or is just a piece of crap switch.
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Old 08-17-2014, 10:32 PM   #2
MountainGoat1966
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Re: Head light switch

Push the button, push the knob shaft in and release the button.
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Old 08-18-2014, 02:46 AM   #3
midnight rambler
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Re: Head light switch

Did that dosent want to lock in
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Old 08-18-2014, 09:26 AM   #4
MountainGoat1966
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Re: Head light switch

They do that sometimes, did you slide it in and out a few times, not pulling it completely out of the switch?
Dirt and dust build up and keep the latch from grabbing.
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Old 08-18-2014, 12:41 PM   #5
midnight rambler
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Re: Head light switch

Ill try that and see what happens.
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Old 08-18-2014, 01:40 PM   #6
BLE 'BURBAN
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Re: Head light switch

I've used a small crochet hook to reach inside to pull the locking tab back up before. You can do the same thing with a large paper clip and a pair of needle nose pliers.
1. Straighten out paper clip by hand leaving the last bend at 90 degree's to use as a handle.
2. Using the pliers, bend a SHORT "J" hok at the end of the paper clip opposite the handle.
3. Reach down inside the switch to hook the lock and pull it back up to the "ON" position.
note that you may need to depress the button while doing so.

good luck and have fun!!!
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Old 08-19-2014, 01:01 PM   #7
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Re: Head light switch

I ended up pulling the switch back out and taking it apart. Looks like the push button isnt hitting the sheetmetal that holds the plunger in, i plan on putting it back in the truck this afternoon and make sure it works.
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Old 08-19-2014, 01:44 PM   #8
johnwaynejeep
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Re: Head light switch

I've had problems with the headlight switch out of my 74 as well. I bought a new one to replace it. If it gives me problems then I plan on using a headlight switch out of a 59 Chevy truck. They're simpler and more reliable and they have tabs on them for the wiring so they should be very easy to adapt. They also attach to the dashboard the same way and should look perfectly stock without cutting or drilling anything and have the same functionality, except maybe a dimmer if the 74s had that as an option.
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Old 08-19-2014, 10:09 PM   #9
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Re: Head light switch

Installed it again and the plastic on the plunger feel apart so i was able to install it with the plunger already on it. Now i need to fab someting for a handle. Its it work now lol. Next one will be nos.
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