The Ford Barn

Zeke3 · 12-01-2024, 10:49 AM

I did exactly what you are suggesting, to add a resistor in the power line to the heater, when I converted a car from 6v to 12v. I don’t remember being concerned with the polarity change. That was a long time ago.

GB SISSON · 12-01-2024, 11:37 AM

Not a long time ago for me, I did just that yesterday morning. Actually I installed a two speed switch and only ran it on the low setting. I will be watching this thread as the lower speed was a bit anemic and the high speed was like 'blast-off'. Hoping to find a resistor that makes high speed useable. Not sure I like glowing coils under the dash, but what's out there?

Bullerman · 12-01-2024, 12:46 PM

No luck. I unplugged the heater wire. I connected the resistor to that and went to the positive battery post. It sparked like it was a direct short.
I was just trying to see if the motor runs. What did of resistor did you use. Probably will have to go to somebody that knows what they are doing. Wish I had a 6volt battery to hook up to it.

12-01-2024, 10:49 AM	#1
Zeke3 Senior Member Join Date: Dec 2014 Location: Columbus, IN Posts: 1,646	Re: Heater in 50 model custom I did exactly what you are suggesting, to add a resistor in the power line to the heater, when I converted a car from 6v to 12v. I don’t remember being concerned with the polarity change. That was a long time ago.

12-01-2024, 11:37 AM	#2
GB SISSON Senior Member Join Date: Jan 2014 Location: Orcas Island Washington Posts: 6,202	Re: Heater in 50 model custom Not a long time ago for me, I did just that yesterday morning. Actually I installed a two speed switch and only ran it on the low setting. I will be watching this thread as the lower speed was a bit anemic and the high speed was like 'blast-off'. Hoping to find a resistor that makes high speed useable. Not sure I like glowing coils under the dash, but what's out there? __________________ Owner/Operator of 'Jailbar Ranch' on the side of Mt. Pickett. Current stable consists of 1946 1/2 ton pickup turned woodie wagon with FH V8, 1946 Tonner Pickup with 226 H six, 1979 Toyota landcruiser wagon, now wearing 1947 Ford Jailbar sheet metal. 'Rusty ol' floorboards, hot on their feet' (Alan Jackson)

12-01-2024, 12:46 PM	#3
Bullerman Senior Member Join Date: Nov 2024 Posts: 177	Re: Heater in 50 model custom No luck. I unplugged the heater wire. I connected the resistor to that and went to the positive battery post. It sparked like it was a direct short. I was just trying to see if the motor runs. What did of resistor did you use. Probably will have to go to somebody that knows what they are doing. Wish I had a 6volt battery to hook up to it.

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