I have two immediate concerns with my 81 240D. Unfortunately both are electrical and despite my delving thru much stuff in the search results I cant find anything that might help me much. Of course that could also be because where electricity is concerned I'm on very dangerous ground. So I'm asking for the forums help.

1) My aux fan stays on permanently. This just started on Friday after a month of driving without it. What would make it stay on permanently? With the ignition on that is. Neither my ventillation fan nor the AC works so I've not tried using those at all. Is the 240D the same as the 300's in that the aux fan appears to be activated by the AC system? I'm not really worried from the engines point of view as I'm in Phoenix and summers here so any extra engine cooling can only be a good thing right? I just dont like something with a mind of it's own.

2) My reverse lights dont work. This is a manual transmission not auto. Does the manual have a switch in it that activates the reverse circuit as I assume the auto does? It's not the fuses as they are all good and other stuff would apparently also be affected if these fuses (one for each side) were blown.

- Peter.

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2021 Chevrolet Spark
Formerly...
2000 GMC Sonoma
1981 240D 4spd stick. 347000 miles. Deceased Feb 14 2021
2002 Kia Rio. Worst crap on four wheels
1981 240D 4spd stick. 389000 miles.
1984 123 200
1979 116 280S
1972 Cadillac Sedan DeVille
1971 108 280S