On my 52 Good humor truck I have the auxiliary battery for the inverter setup using the 55 battery holder that's located on the fire wall. I just purchased the battery insulator to protect the deep cycle battery just as you mention from the heat.

http://www.ebay.com/itm/DEI-010480-...92933220?hash=item4184536964&vxp=mtr

http://i1305.photobucket.com/albums/s554/icecreamman55/007_zpsq15wxnyy.jpg
Received and Installed Battery Insulator
http://i1305.photobucket.com/albums/s554/icecreamman55/004_zpswykylebz.jpg

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Steve

Last edited by Steve D; 04/17/2015 1:29 AM.
Good Humor Ice cream
1955 1st series Panel Truck