ThriftyT Posted April 2, 2020 Report Share Posted April 2, 2020 (edited) My dual heater C25 has some very weak blower motors. I pulled them, bench tested on a fresh 6v battery and the spin like crazy. But in the car, they seem to hardly turn. Any ideas? Edited April 2, 2020 by ThriftyT Quote Link to comment Share on other sites More sharing options...
Mark D Posted April 2, 2020 Report Share Posted April 2, 2020 Run another ground wire from the Electric motor mounts to the chassis. 1 Quote Link to comment Share on other sites More sharing options...
Sniper Posted April 2, 2020 Report Share Posted April 2, 2020 Put a meter on the leads with the motor installed and see what your voltage is then, bet you have some dirty connections. 1 Quote Link to comment Share on other sites More sharing options...
ThriftyT Posted April 2, 2020 Author Report Share Posted April 2, 2020 Thanks guys. Will try both. Quote Link to comment Share on other sites More sharing options...
Dodgeb4ya Posted April 2, 2020 Report Share Posted April 2, 2020 A special heater switch was used on the dual heaters..the resistors on the switches have either red or green bands on the resister porcelain. Feed wires have to be in good shape and heavy enough grade wire. Motors serviced ,lubed etc. Good grounds important as mentioned too. Quote Link to comment Share on other sites More sharing options...
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