<VV> HELP HEATER MOTOR INOPERATIVE 1966
hurricanehazel16 at gmail.com
Mon Oct 14 14:53:42 EDT 2019
The heater switch burns-out its points rapidity when there is not a relay
in the high blower mode. Remember in low and medium speed the current
goes through the resistors in the defroster duct, but in high the switch
wire goes directly to the motor. So, it the motor doesn't turn, you could
have a bad motor, bad wiring or a bad switch. My guess is a bad switch.
On Mon, Oct 14, 2019 at 12:44 PM Michael Kovacs via VirtualVairs <
virtualvairs at corvair.org> wrote:
> PREPPING THE CAR FOR WINTER, THE HEATER MOTOR WILL NOT FUNCTION.
> Put the key on, checked the fuse again, placed the blower lever on high
> and checked for power at the wire in the back on the blower motor. No power
> 20A fuse rechecked. power still through it.
> Lowered the heater control for access
> Pulled the heater wiring from the switch. Put key on and there was a
> slight glow to the test light. No bright light (12V) as I expected. High
> resistance after the 20A fuse and the connection to the blower switch???
> Hooked the wiring terminal back to the heater switch and still no power
> back at the blower motor. Replaced the rheostat just because.
> Rechecked fuse again and then the power to the blower switch and not NO
> 12 volts in the connector.
> Is there a possibility that there is corrosion after the 20A fuse in the
> fuse block? If so do I have to pull the fuse block and look for the blower
> wire to check continuity?
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