Quote:
Originally Posted by DieselDually1993
I'll admit that I didn't read all three pages of the thread but I was surfing the web and came across this at Yahoo Motors about a key off trickle charge that could drain your batteries. This sounded pretty general, but maybe this could be a piece of the puzzle. Maybe you have a frayed wire thats making a connection and drawing power.
"Current drain on the battery can be checked with an ammeter. Make sure the ignition is off, then disconnect one of the battery cables. Connect one ammeter lead to the battery and the other to the cable. The normal current drain on most vehicles should be about 25 milliamps or less. If the key-off drain exceeds 100 milliamps, there's an electrical problem that requires further diagnosis."
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Yep that's how my buddy, a pro car audio/electronics installer, showed me how to test but on these vans you have to disconnect a cable from each battery otherwise the test won't work. It's best to do the positives on both batteries then put the ammeter between one positive terminal and the positive cable. On one of my cars we found I had wired the MSD ignition wrong and it was always on. An MSD 7AL3 draws a surprising amount of power BTW.
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1986 F350 Crew Cab 2wd SRW. 1991 7.3 IDI, T-19 4spd Sterling 10.25 3.55, 12" HD clutch. A Banks waste gated turbo. 5" cut down Peterbilt stack. Midwest rebuilt IP turned up. AC Delco 6.5 GM 12V GP's, working great. Running W85 high performance zero-gel diesel! D60 front conversion, 4wd conversion, dually conversion, and steel flatbed conversion now underway. Man those frame rivets are a pain!
1966 Porsche 911. 1983 911 SC engine with modified Zenith carbs, headers, 911S brakes, custom fuel rails, MSD 6al box with timing computer, 1974 IROC body kit. 1850lbs, 200rwhp, total blast to drive.
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