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Display Mesage #94519


coolant temp. sensor.
Written by swiftly1... on 6/29/2010 at 01:32 am

Sounds like the fan motor switch isn't grounded or a bad switch. I'm not
intimate with the system but would probably try to get a meter lead on the
switch body and check to a good ground. It will require a reasonable
volt/ohm meter to do this. Not a Fluke but a Radio Shack will do. Prior to
this, check to see how the radiator is grounded. The ground has to go back
to the battery, through the frame The service manual is not too clear. A
little corrosion or crud will go a long way to possibly causing such a
problem

Dick

Message Thread for message #94519

mikejr02301
6/29/2010, 01:05 am
coolant temp. sensor.
dear Group, My pc is overheating in traffic,because the fan isn't coming on. I replaced the switch in the radiator and still nothing. When I ground the switch wire to the frame the fan comes on. Any ideas. thanks, Mike R.

    dndgentili
    6/29/2010, 01:22 am
    coolant temp. sensor.
    Check the ground from the switch to the frame. Just saw a member with the same prob. Maryland Ron came up with the fix. Love this group, VA Dan --- In

      swiftly1...
      6/29/2010, 01:39 am
      coolant temp. sensor.
      Amen. Your comment preceeded mine and is right on. A simple Volt/Ohmmeter will solve almost all of the electrical problems on the PC or almost any bike. Always check the simple stuff first before you spend any money Dick

      nanwillow
      6/29/2010, 03:16 pm
      coolant temp. sensor.
      Hi, I solved my overheating problems by running a switched wire from the thermostat sensor to ground. If the fan is not taking care of the problem, I can override it and leave the fan on until the temperature is sufficently down. My bike was

    swiftly1...
    6/29/2010, 01:32 am
    coolant temp. sensor.
    Sounds like the fan motor switch isn't grounded or a bad switch. I'm not intimate with the system but would probably try to get a meter lead on the switch body and check to a good ground. It will require a reasonable volt/ohm meter to do this

    literidr
    6/30/2010, 06:09 pm
    coolant temp. sensor.
    Hey Mike, Everything has to be grounded to the frame, even the battery. The ground wire for the fan motor is located just inside the radiator mounting. You can get to the ground by taking the radiator mounting bolts loose (without taking

    mikejr02301
    7/2/2010, 12:49 am
    coolant temp. sensor.
    --- In ipcrc@yahoogroups.com, "mikejr02301" <mikejr02301@...> wrote: > > > > de