Reverse lights, turn signals and speedo not working

Those plugs should be sealed with a little rubber seal thing on the inside, right?

 

Not sure, mine doesnt have one.

 

Hopefully just a messy oil change. I dont have any oil drips in my driveway, and my oil level never changes.

 

I would think it should, being under the truck... Also just realized you have a 6-speed. So oil from the trans would probably look about the same as engine oil

 

But more to the point of this thread, Im not sure oil would conduct enough to cause a blown fuse..?

 

Oil is not a conductor. You mention an orielly back up switch in your other thread. Leave it unplugged until you can get an OEM switch.

 

I put another one back in for now. Looking for oem as we speak

 

Sub’d

 

Put dielectric grease on the outside of the connection of the switch housing that will act as a sealing aid to prevent water intrusion into the connector.

Manual transmission oil is not red like automatic transmission fluid.

 

I have seen those reverse switches fail and short to ground before (not because of oil or water intrusion) not on Toyota's yet but on other makes so its possible, you could put a DVOM set to ohms between one of the pins and the transmission case and have someone shift it in and out of reverse and see if it's shorted.