There are multiple fuses for the transmission system. Can you find a fuse number or list the size of the fuse that is blowing? A quick test is to remove the transmission control relay, then see if the fuse still blows. That circuit is protected by fuse # 9, a 20-amp fuse.
If the fuse no longer blows when the relay is removed, there is a simple way to work in the circuit without blowing dozens of fuses over and over. In the relay's socket, plug in a pair of spade terminals, then use small jumper wires to connect them to a twelve volt light bulb. A brake light bulb works well. When the circuit is live and the short is present, the bulb will be full brightness and hot so be sure it's not laying on the carpet or against a plastic door panel. Now you can unplug electrical connectors and move things around to see what makes the short go away. When it does, the bulb will get dim or go out.
For this circuit, use terminals 30 and 87 if you have the one inch square relays, or the two terminals pointed to in the second drawing. This will turn the circuit on without needing to turn the ignition switch on. If the test bulb is dim or off, this is not the circuit with the short.
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Monday, March 5th, 2018 AT 4:23 PM
