Wiring a second heater motor? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 09-27-2000, 08:55 PM Thread Starter
 
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Wiring a second heater motor?

Just getting ready for winter and I'm planning on adding a second heater(that I'm putting together myself). Can I wire the second motor right up to the other one or will the two of them pull too much current on one circuit? I'll be adding an off/on switch but I want to be able to adjust the speed of both motors from the selecter on the heater controls. If I put a second speed selector for the second one, what type of switch should I look to get? If I put the other switch on, I might just wire it up on another circuit. Any suggestions?

87 wrangler - 258
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post #2 of (permalink) Old 09-28-2000, 07:20 AM
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Re: Wiring a second heater motor?

Run a second circuit, with it's own breaker. This way you'll make sure that the second circuit is fully protected. 'As for the switch... keep it simple and install a second OEM or aftermarket Jeep Heater/blower switch. Install it on the second circuit to control only the auxilary fan.

You would also have to use a OEM plug for the wiring, or hard wire the connectors. Because of the high current draw, I would suggest using the OEM plug. Also duplicate the speed resistors by using OEM resistors that are mounted on the Heater Box.

By keeping the duplicated circuit parts as close to OEM as possible parts are avalible. If you decide to use other parts, such as from a Ford, Chev, etc., that's not a bad idea, but keep the make, model, year and the VIN number from the donor vehicle. You may need that information in the future for parts replacement.

Good Jeepin'

Larry
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