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Hi Currant 12 Volts in pass compartment?

 
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tvnews
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PostPosted: Sat Apr 10, 2010 2:06 pm    Post subject:  Hi Currant 12 Volts in pass compartment? Reply with quote

Hi,

I am new to this site. I am planning on installing an AC inverter in my 2005 Impala (former police car). Unless someone can point me to a source of 20-30 amps inside the car I plan to run a lead directly to the battery. So my question is can anyone point out a good access point in the firewall to snake an 8 or 10 guage wire thru?

Thanks
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PostPosted: Sat Apr 10, 2010 3:56 pm    Post subject:   Reply with quote

some 9C1 cars have a power drop behind the glovebox under the dash. If not, there's a grommet there you can use to pull wires through the firewall

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PostPosted: Sat Apr 10, 2010 4:34 pm    Post subject:   Reply with quote

If you are going direct to the battery...which is a good plan.....don't forget to install a fuse in the circuit.

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PostPosted: Sat Apr 10, 2010 7:20 pm    Post subject:   Reply with quote

I hate currants. I also dislike raisins.

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PostPosted: Sat Apr 10, 2010 7:22 pm    Post subject:   Reply with quote

whitelightnin04MC wrote:
I hate currants.


I noticed that spelling also.......it's a waste of time around here. It would drive a guy crazy trying to correct all the spelling mistakes.

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PostPosted: Sat Apr 10, 2010 9:20 pm    Post subject:   Reply with quote

There is no 20-30 amp source in the passenger compartment (even the power drop won't deliver that much current)

Here how run a wire thru the firewall

http://impalahq.naioa.com/HowTo/Grommet.html

BBEngineer

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PostPosted: Sun Apr 11, 2010 5:26 am    Post subject:   Reply with quote

Thanks to all who have responded.

I am sorry for my spelling. I have been a poor speller all my life and at 55 y/o now I don't think I am going to improve much. I depend on the spell checker in my computers. But I am not home this weekend and I have a small netbook with me and the version of outlook installed has no spell checker.

Back to my Impala, thanks for the help. I just went out and looked at the firewall. I see the grommet that is used to pass a harness of wires. I also looked around and I also found a rubber plug in the firewall. I have to get a jack and lift the car to reach the engine side of the firewall and see what works best for me.

I also found a power drop in the trunk on passenger side behind wheel. I have a little concern of the power drop with that long run.

My options that I see now are to put a battery box in the trunk. Then a high power diode between that trunk feed and this second battery (with 2 fuses) to keep battery charged. Then I would run a power wire with a solenoid controlled from acc to power inverter. BTW I would use a body ground on this second battery for charging and both a + and - wire from the battery to inverter (fuse on + side).

Or I may run both + and - leads from battery with solenoid and fuse via firewall directly to inverter on floor behind drivers seat.

I have a few inverters here with the largest being 2000W ac output. If I go with the extra battery I would have the option to use any of them. I could also put a second solenoid that would parelle the diode with a momentary switch on dash that would control it. this would give me an instant jump if car battery was dead. OK I realize I cant do that as the trunk drop would never handle the power to start the car.


Thanks to everyone for the help



p.s. I see that I am posting on the web and not using outlook, but I do not see option above to spell check, sorry again
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PostPosted: Sun Apr 11, 2010 9:58 am    Post subject:   Reply with quote

Sounds like you have it all under control.

You don't have to apologize for the spelling if we don't have to apologize for making fun of it. Laughing

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PostPosted: Sun Apr 11, 2010 10:49 am    Post subject:   Reply with quote

tvnews wrote:

Or I may run both + and - leads from battery with solenoid and fuse via firewall directly to inverter on floor behind drivers seat.


Run your positive wire from the battery (fused near the battery) and ground whatever you are using to the chassis as close to it as possible.

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PostPosted: Thu Aug 26, 2010 3:52 pm    Post subject:  Thanks Reply with quote

Thanks for the help. I finished the project and all is well. I used sheet rock saw to make a cut in the grumet. Sorry for my mis-spellings.

Here are a couple of photos:

http://s23.photobucket.com/alb.....CN0348.jpg

http://s23.photobucket.com/alb.....CN0357.jpg
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