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dual batteries???

R

raptorparts

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gastonia, nc
Living close to the hurricane belt and I'm looking for a reliable way to use a 600watt 12v-110v power inverter on my 78 k20 so I can run a small tv and dvd player when the power goes out. Anyone doing this? I already swapped over to a latter style higher amp alternator with the big serpentine style drive belt off a late 80's impala so that helps...A local shop also recommends using 2 batteries so I'm looking to convert and know the diesel trucks came factory with 2. After a trip to the boneyard, I found that there is a solenoid with multiple triggering wires going into it on the diesels...isolating the second battery or what? I've never fooled around with the diesels at all so I'm at a loss for what all the wiring is doing. Also, would like to get a factory drivers side battery tray for the 73-80 pickup which would be different than the latter years but have never seen one myself. Does such a thing exist? Any help would be appreciated!!!!
 
The factory did indeed issue auxiliary batteries; if you can't find one local, LMC or your dealer will have the support (side-specific) and tray (same for both sides, IIRC.)

Isolators are available at a good parts place; in short, they allow you to discharge the auxiliary battery (from your inverter, say) without killing the main battery (so yo can still start and drive) ... and charge both.

The factory used a solenoid in the 70's, as the solid state diodes required were too pricey then (they're cheap now.)

You may also find that car stereo places can help you with the isolator seup, as such things are popular with that crowd.

-- A
 
diagram.jpg
 
Interested in having dual setup however why two solenoid and what are the switches for....and do you have part number for sol. and swithes....
thanks Dan
 
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