73-87 Chevy _ GMC Trucks > Steering Columns
How to replace ignition switch?
bd:
I don't recall in which production year the migration to bolt-retained ignition tumblers took place, but the 1973 model year trucks had the earlier design columns that used flag-retained tumblers. So, without additional information, I surmise that the column in your truck is not the original, but from a later model truck.
Hopefully, removing the new lock cylinder will only require a strategically placed screwdriver to create a hole in the right place of the housing to access the spring-loaded release flag. The process sounds more worrisome than it actually is to accomplish. It's simply a matter of recognizing the correct location to create the new release hole.
JohnnyPopper:
A good kill switch will just disable the signal to the starter solenoid, I think.
I'd like to have a layer of insurance.
I can draw up a circuit where all you/we will need is a small magnet to bypass it.
Maybe bd knows the amperage draw of the solenoid is? Match a relay and we're good to go.
Just keep a few magnets around just in case... 8)
Spool:
Thanks BD. I’ll revisit this when I ever have to remove the ignition lock.
Johnny, I’m gonna start a different thread for the kill switch idea- I’m still researching and brainstorming where to put or which circuit to interrupt, but will def. ask you more about that magnet concept you just mentioned in that thread.
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JohnnyPopper:
Ok man, I looked at the warehouse today, found a 12v triggered, 70 amp relay, ought to do it.
Will test my circuit theory in the meantime.
First thought is to interrupt the starter solenoid wire with a relay.
Spool:
Yeah - good idea on the starter. I'd like to pick your brain about that.
I just started the other thread in the electrics area.
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