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1991 Chevrolet 3500 Pickup Questions

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Had to get a tranmisson pump and oil pump also.
Replaced the switch have followed the wires from cab to lights running down the frame cannot find any shorts that way. Any ideas on where to go now
8 bolts all have been removed but drum won't come off. help
The 11 wires from the plug that makes the transmission change gears was cut. I need a diagram to reconnect the correct colors wiring in the correct place.
How do you take a 4 speed straight transmission out of a 1991 Chevy 3500 dually 2 wheel drive truck with a 454 gas engine?
1991 chevy 3500 dually 4 speed straight transmission with a 454 engine.
After driving for 15/20 miles the C.E.L comes on, if I stop, turn the engine OFF and then restart it, the C.E.L stays OFF for another 20/25 miles, then comes ON again...and I think I smell a "burnt" odor.
It is a Chevy 454 (on a Pinncle MH)
Thanks a bunch
Vehicle won't run. I have several error codes and am not sure what way to go. Codes are- 33,32,31,46,43,36
4 wheel drive automatic transmission Speedometer works fine , Odometer does not. Is it electrical or is it driven by a cable?
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