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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: Mar 2005 Posts: 98 'Bolter | | 'Bolter Joined: Mar 2005 Posts: 98 | 700 r4 plug pins looking at the pins on the wireing harness connector need a 5 pin relay because you need normally closed contact. when you press the brakes, it kills 12v to the torque converter the lighted switch is to turn it on or off. the lighted section will light when it goes in overdrive. i just leave the switch on all the time. it won't lock by itself until it shifts in overdrive.
50 chevy 3100
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