cooling fans for 1992 100

Tom Milanovic milant76 at hotmail.com
Wed Sep 20 04:45:03 EDT 2000


Could someone with a 1992 100S w/5speed please tell me how to correctly wire 
the 2 radiator cooling fan motors to the terminal located inside the 
driver's front fender.  I bought the car from a "handy man" that rigged the 
one cooling fan that worked (an aftermarket, of course!) to the block and 
left the other disconected.  I have two brand new siemens motors that I 
would like to wire correctly.  I figured out the ground, I'm more concerned 
with the positive leads.  I have tried to follow both relays and assume that 
the thick wire on the block is for high speed, the thinner wire is for 
medium speed, but am not sure if one fan motor lead is connected to the 
thicker wire on the block, the other motor lead to the thinner, or both on 
one, etc.  Right now I have only one motor hooked up to the thicker lead.  
It kicks on whenever the a/c is turned on but not when the motor heats up 
(at least not before it boils over).  I tested the coolant temp switch for 
continuity in a pot of water on the stove, it works at the correct 
temperatures.  Next time someone is changing the oil could you peek over and 
let me know the correct way to wire these motors up?
Thanks,
Tom Milanovic
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