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prairieschooner · 09-01-2012, 03:48 PM

This does indeed sound like a voltage regulation issue. Headlights typically put a big load on the system.
I suggest that you put a Volt Meter in the Leads to the Headlights and find out what the Voltage is actually doing and then record that reading. Then I would suggest that you put the same Volt Meter at the Alternator and record that reading. When Troubleshooting I was taught to cut the Circuit in Half and the Half again until I can locate the problem.
Good luck, draw pictures, write down results and save the paperwork for the next time.

09-01-2012, 03:48 PM	#15
prairieschooner Senior Member Join Date: Jun 2009 Location: Idyllwild, CA Posts: 1,340	This does indeed sound like a voltage regulation issue. Headlights typically put a big load on the system. I suggest that you put a Volt Meter in the Leads to the Headlights and find out what the Voltage is actually doing and then record that reading. Then I would suggest that you put the same Volt Meter at the Alternator and record that reading. When Troubleshooting I was taught to cut the Circuit in Half and the Half again until I can locate the problem. Good luck, draw pictures, write down results and save the paperwork for the next time. __________________ have Coach will Travel Steve & Tricia 1982 Newell 38' (built before #1) 6V92 DD, 5 Speed Allison, 12.5 KW Kohler, Couch used to make into a Bed but I fixed it! https://newellshowcase.com/thumbnails.php?album=214 2007 Yukon, 1981 CJ7 Laredo, 2002 Honda CRV, 1955 Thunderbird, 1952 Pontiac Sedan Delivery, 1952 Ford 8N, 1958 Airstream, 1959 Glasspar 16' Avalon, Cabin in the Woods........what will I work on next [SIGPIC][/SIGPIC]