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Blower Motor #178946 12/30/08 04:02 PM 12/30/08 04:02 PM
Joined: Jun 2005 Posts: 1,534 Florida C CHRGR69 OP pro stock
CHRGR69 OP pro stock C Joined: Jun 2005 Posts: 1,534 Florida	Refurbishing my non A/C heater box on my E body. I wanted to test the motor, so I did +2+ and -to- on the battery. Nothing. So I tried it with the new motor. Also nothing. What's up? Grandma always said I had "hands of gold"!

Re: Blower Motor [Re: CHRGR69] #178947 12/30/08 05:59 PM 12/30/08 05:59 PM
Joined: Aug 2004 Posts: 3,333 MARYLAND 69Cuda340S master
69Cuda340S master Joined: Aug 2004 Posts: 3,333 MARYLAND	Quote: Refurbishing my non A/C heater box on my E body. I wanted to test the motor, so I did +2+ and -to- on the battery. Nothing. So I tried it with the new motor. Also nothing. What's up? It should spin even if you have the polarity reversed?

Re: Blower Motor [Re: 69Cuda340S] #178948 12/30/08 06:09 PM 12/30/08 06:09 PM
Joined: Jun 2005 Posts: 1,534 Florida C CHRGR69 OP pro stock
CHRGR69 OP pro stock C Joined: Jun 2005 Posts: 1,534 Florida	Quote: Quote: Refurbishing my non A/C heater box on my E body. I wanted to test the motor, so I did +2+ and -to- on the battery. Nothing. So I tried it with the new motor. Also nothing. What's up? It should spin even if you have the polarity reversed? Correct! I did that too with both motors. Nothing! Does the casing have to be grounded? Grandma always said I had "hands of gold"!

Re: Blower Motor [Re: CHRGR69] #178949 12/30/08 06:57 PM 12/30/08 06:57 PM
Joined: Jan 2008 Posts: 2,592 None 71rm23 master
71rm23 master Joined: Jan 2008 Posts: 2,592 None	I was affraid that mine wouldn't work when I rebuilt my heater box. I tested it on a battery. Pos to pos, neg to ground. Viola, it worked

Re: Blower Motor [Re: 71rm23] #178950 12/30/08 09:23 PM 12/30/08 09:23 PM
Joined: Aug 2004 Posts: 3,333 MARYLAND 69Cuda340S master
69Cuda340S master Joined: Aug 2004 Posts: 3,333 MARYLAND	The blower motor in my car has one power and one ground wire. I was just testing it today because I was diagnosing a squeaking noise in the motor. If I connect 12 volts to the ground and positive wires of the motor it spins. The motor case itself was not grounded. The motor would spin if I switch polarity too.

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