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In the interest of resolving the initial problem, I offer my humility. During the tracing of the apparent faulty circuit, I found that the piggybacked fuse holder I installed to by-pass the burnt-up headlight fuse holder in the block had an unseated fuse- one leg was partially out. All had been...

So in my search for a parasitic draw or outright short I ended up with a big spark when attaching the rear battery. I could not continue the search for the short until I figured why I was getting such a huge spark. Read for days, cleaned leads, even replaced the GP solenoid. Out of ideas I...

Keith, SOOOO with Multi-Meter on CONTINUITY mode I get: DRIVER ALT: RED lead to B-, BLACK lead on B+ 1.0 DRIVER ALT: RED lead to B+, BLACK lead on B- 1.099 PASS ALT: BLACK lead to B-, RED lead on B+ 1.0 PASS ALT: BLACK lead to B+, RED lead on B- 1.132 Tested for continuity: REAR BATT NEG to...

Keith, a little clarification, please: "this time using only the negative and positive terminals on each alternator". AM I still checking for continuity? If so between what 2 points? -the POS and NEG terminals

Found this buried in a 12 year old post: ALTERNATOR TESTS Original post July 17, 2010 To test that an alternator is an Isolated ground alternator, place a lead from your ohm meter on the case(outside housing) of the alternator and place the other lead on the ground stud. If there is NO...

Keith, After watching the video attached, I went back to recheck the alternators. In continuity setting on the MM, I got NO continuity on either alternator. I removed all the wires, as shown in the video, and holding one lead to the case and the other to the NEG got no continuity , switched the...

Thanks, Barrman. Just to be clear, I started by connecting the rear POS, got sparks touching the cable to rear NEG. Stopped. No cables attached to FRONT BATTERY. Just so I can understand the mechanism- what points to your conclusion? Is a new Drivers side ALT the solution? Is the isolated...

Something to consider, maybe. Yes? No? I found this snippet from a review I just read on Amazon. I dawned on me that I tightened the BAT Nut on the Alt perhaps a little too tight so I went looking to see if that was even a known thing- smashing through the fiber isolating washer and shorting...

I've been dealing with what seemed to be a parasitic draw for the past 3 weeks. Some mornings the battery is dead. Some mornings it fires up strong. After charging the newish interstate front battery, I decided to look at the Alternators this morning and test them. I tested with multi-meter set...