ok. the gauge has 3 wires. one is power. check each wire with key on. one will show 0 one should be battery v, the other may be less. disconnect either of the last 2. one of them will be battery v. reconnect and connect the other wire to ground. the gauge should go to it's upper limit. thats the wire going to the sender on the transmission
if you connect your test light clamp lead to battery v when you probe the ground connection it will light if the wire is actually grounded.
i know clear as mud
it's possible. usually that causes dragging brakes, squeeking, heat build up. your symptoms would suggest the pads are moved away from the rotor too far. warped rotors can do that, but you would feel a shudder when braking
these guys have a dually rear end and at least 5 wheels. i bought one of them
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doug, you seem to be mistaken about how the toyota fan clutch works. silicon doesn't get thicker with heat. the front of the clutch has a bimetalic coil which changes passages inside to redirect the fluid to cause lock up. the temp it works at is kind of random, i think mostly due to age. new ones are really better than the ones originally installed
there is no main burner. when the pilot lights it heats a thermocouple which allows the gas valve to stay open to keep the "pilot light" lit.. understanding this should help you figure it out
seeing if the pilot light is lit can be a real pain. i have a dometic fridg. that uses the prism to view the pilot. i could never get my face in a place to see it.
i have a cheap inspection camera that works with my phone. i turn the camera light off and hold it straight up at the viewing sight. when i push the starter button i see the spark flash on my phone. if the fire starts, pushing the button no longer shows the spark. still can't see the flame but at least i know it was lit
the shoes look to be against the anchor at the top = wheel cyl is compressed. the bottom of the shoes being forward is the problem yes? can you try the old spring going from shoe to backing plate