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#97624 10/16/2006 10:31 PM | Joined: Jul 2000 Posts: 19 New Guy | | New Guy Joined: Jul 2000 Posts: 19 | Hello, gents. longtime reader and visitor to this great site. I just picked up a complete heater for these ol' trucks name tag say's Harrison i believe. it has an round aluminum plate with chevrolet on it. anyhow i want to check if the motor turns. without burning somthing up, can i connect the two wires (neg and Pos.) at the motors end to a 12 volt battery direct or should i use a reducer to bring it down to 6 volts.
the heater looks to be in excellent shape and i intend to put in my 51. thanks. | | |
#97625 10/16/2006 10:46 PM | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 | I ran my 55 1st panel heater motor on 12 volts for several years without problem. Having said that the safest way would be to hook it to six volts. I converted it to 12 volts and never thought about the heater motor. The gas gauge worked OK too. I'm not saying you should do the same, I may have just been lucky.
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
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#97626 10/16/2006 11:13 PM | Joined: Mar 2000 Posts: 1,177 Red dot, center of chest ... | | Red dot, center of chest ... Joined: Mar 2000 Posts: 1,177 | The best thing to do is buy a 12 volt motor and put that in, but the six volt motor runs on 12 volts. (Mine ran slowly, which is why I switched to a 12 volt motor.) You can pick up a 12 volt motor that will work at Grainger. | | |
#97627 10/17/2006 2:56 PM | Joined: Aug 2005 Posts: 6,377 Ex Hall Monitor | | Ex Hall Monitor Joined: Aug 2005 Posts: 6,377 |  After all these years I finally find out why the heater fan in the old panel turned so slowly. It put out so little air that it was worthless as mammaries on a man. I always assumed (I know, I know) that a 6 volt motor would turn faster on 12 volts. It's counter intuitive but I sure can't call you wrong. 
Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.
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#97628 10/17/2006 4:23 PM | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | JACOB, As Tiny indicated, testing the 6 volt motor on 12 volts certainly wouldn't be instant death for it, and it appears he has run his on 12 volts for years. If it works on 6 volts, leave it alone. The Grainger 12 volt is not a direct swap for the stock unit. Using a replacement 12 volt motor on your factory 6 volt system might give you a 'slow motion' motor (Tiny)...which could result in frozen mammaries! Stuart | | |
#97629 10/21/2006 2:26 AM | Joined: Aug 2000 Posts: 587 Shop Shark | | Shop Shark Joined: Aug 2000 Posts: 587 | Sounds like a deluxe heater is what you got. I hope it is complete like you said, but I will point out that a complete deluxe heater will also need a temperature control valve, defroster outlets, heater switch, and defroster control cable. | | |
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