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Mod | | | Forums66 Topics128,021 Posts1,055,355 Members48,420 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Jul 2015 Posts: 54 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2015 Posts: 54 | Got my 46 1/2 ton home today I've had it running with a donor coil. My question the original coil has something like a speedometer cable housing running up to the ignition switch, do I have to get a replacement switch to work with the 12 volt coil or can I use the switch and cut through the housing to expose wires? | | | | | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | What you're seeing is called an Electrolock. It was intended to prevent hotwiring. It requires a special coil. I've never seen a 12v coil made to work with an Electrolock. IMHO it's a piece of history and shouldn't be cut up although many do that. If you're a good enough fabricator you can rig it up to work with a modern coil where a casual look by someone who doesn't know about how it's supposed to work would never suspect it's not stock. Is the Electrolock still connected to the original coil? If it is, someone more familiar with the '46 will have to help you with removing it. I can help with the 37-39.
Last edited by Tiny; 01/05/2017 2:23 PM.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
| | | | | Joined: Jul 2015 Posts: 54 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2015 Posts: 54 | Yes it is still on the original coil, I will have to some searching on an Electrolock. Thanks | | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 |
See the USA in your vintage Chevrolet! My Blog | | | | | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | Dave, that looks like the 37-39 Electrolock. I thought Chevy moved to a smaller cap in the 40s. Am I wrong?
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
| | | | | Joined: Jan 2001 Posts: 5,337 'Bolter | | 'Bolter Joined: Jan 2001 Posts: 5,337 | You are right Tiny, the 1941 and later use the smaller style.
See the USA in your vintage Chevrolet! My Blog | | |
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