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johnjr 08-14-2004, 07:01 AM just bought an 85 army 1 ton pickup , the starter and alternator are missing both were 24 volt . i need to know what i have to do to change truck to 12 volt. also need the above mentioned parts or cores any help will be appreciated gamfa 08-14-2004, 07:55 PM johnjr.. I received a PM from you but it had no text in it. Try again... gamfaEdited by: gamfa johnjr 08-15-2004, 07:31 AM gamfa, I appreciate your offer and would like you to send me a copy of the info you have to John sarappa Jr 2724 McCormick ave Hammonton N.J. 08037 Thanks alot! gamfa 08-15-2004, 09:33 AM I'll get it off on Monday... FIXITMAN 08-21-2004, 07:44 AM military used 24v across the board on all its equipment. regular chevy alt. and 12v diesel starter will work. junction blocks on the firewall are where the batteries connect to the vehicle. your batteries must be connected in parallel instead of in series, parallel connection is as follows. + to + to junction block. - to - to ground. thus doubling the cranking amps of the 12v battery. series connection goes 1st battery - to ground then + to 2nd battery - then + to junction block. the starter and the two alternators along with the slave cable receptical and trailering connection in the rear, and the voltmeter were the only things used in the 24v system . the rest of the truck is already 12 v use one alt, preferably a 100 amp output and connect the batteries parallel make sure the starter lead is on the same junction block as the incoming battery lead and you got it. remember to turn the lights on even for braking and signaling , you have to flip the service lights toggle switch on. hope this helps | ||