Got that dreaded call yesterday from my SO... "the bus started overheating in traffic, coolant was gushing out the back". I checked all the archives on the new list server, but only found one thread that dealt with a blown fuse, not the wiring of the fan switches. Then I checked the radiator fan, which worked when I applied a hot lead. Then I checked the Bentley manual, which shows TWO thermo-switches, one for a low speed circuit, one for a high speed. I removed the front grill and found ONE thermo switch screwed into the radiator, with three wires DANGLING in space (a red/white, a red/black, and a red/blue), all with non-factory connectors. The red/white comes up from behind the radiator, the red/black and red/blue come from four wire to two wire gray connectors. The DPO strikes again!! I tried several combinations of attaching these wires to the thermo-switch, then jumpered the two connections and sometimes the fan would come on, other times not, and other times, it would just stay on even after removing the jumper! I cannot for the life of me figure out how they hook up, why there are three wires, nor can I find the second thermo-switch that is shown in the Bentley wiring diagram. Any help would be greatly appreciated. Paul Henderson '84 Vanagon WasserBoxer (hot, not trotting) Bedminster, NJ, USA |
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