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  #1  
Old 10-26-2012, 06:29 PM
olliemarriott olliemarriott is offline
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Default Second Battery for pickup heating.

Hello, I am new here so this is me posting for the first time

I have just bought a canopy for my '05 4.0L Ranger and every now and again I have to leave the dog in the truck for a few hours. Unfortunately it is going to start getting cold very soon and unless I have a way to heat the back up a little bit then I can no longer do this on days when I have to work and nobody else can take care of her. I was thinking of something along the lines of this.

Run 2 cables from the original battery to the pickup, put an isolator between the two batteries, connect an inverter to the battery and plug a heater into that. Sounds too simple in my head that their is obviously something not right here (such as how quickly would I drain the second battery). I also have NO IDEA about how to run the cables to the pickup without drilling any (or as little as possible) holes.

I was hoping somebody may have some ideas to help me out with this plan. It will also mean that I can camp throughout the winter!!!

Thanks,

Ollie.
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  #2  
Old 10-30-2012, 03:42 PM
StockBlueFord StockBlueFord is offline
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Default Re: Second Battery for pickup heating.

That heater is gonna drain that battery QUICK! Maybe an electric blanket? I feel that wouldn't pull as much current but still a significant amount.

Where do you work? Maybe you could just run an extension cord out to your truck and plug the heater into that?

The best thing to do would be to figure out how to run coolant to a heater core in the bed and put a fan on that to head the bed that way. Maybe have it doing this on the way to work and have the bed insulated enough to hold the heat in for a few hours until lunch and then you can run the truck again to re heat it until you go home.

Lots of blankets would help too.

Does it even snow in Washington?
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  #3  
Old 10-30-2012, 04:18 PM
FireRanger FireRanger is offline
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Default Re: Second Battery for pickup heating.

Coolant will only provide heat when the engine is running. He needs this to work when the engine is off.

Running a 12 volt electric heater only on battery power is not very practical. A small electric heater will use at least 10 amps. That will drain an Optima Yellow Top maybe 6-8 hours at the most. And I don't know if a heater that small will really keep that warm.

If you're going to do that, I would suggesting installing a remote starter that has an interval automatic start. A lot of them can be programmed to start up every x hours and run for x minutes. That would allow you system to recharge itself without you being there.

There are small indoor-safe propane heaters. However I don't think that would be wise.
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  #4  
Old 10-30-2012, 04:21 PM
94mtx 94mtx is offline
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Default Re: Second Battery for pickup heating.

Would probably be cheaper to have someone watch your dog while you're at work???
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Old 10-30-2012, 05:26 PM
FireRanger FireRanger is offline
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Default Re: Second Battery for pickup heating.

Quote:
Originally Posted by Rick Ochodnicky View Post
They sell 12volt heaters hook up in the back with battery get jumpers charge on lunch.charge battery no holes.

----------

That's what I would do but i take my dog to work and here bed my shop.
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How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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