96 Puma - intermittent lights - Snowmobile World : Your #1 Snowmobile Forum
 
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post #1 of 5 (permalink) Old 11-03-2015, 05:43 PM Thread Starter
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96 Puma - intermittent lights

I have a 96 Puma 340 and the headlight seems to only be working sporadically. Same with the tail light. Brake light works consistently and nice and bright, so I don't think it's a problem with lighting coil. Have not checked anything yet - might just be bulbs even. Just looking for some advice first. Maybe a poor connection or ground. This sled has not been used for quite a while and I just finished going all through it and she looks like new again. Can't wait for some snow to try her out, but need to be able to see after dark. Any advice appreciated. Thanks.
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post #2 of 5 (permalink) Old 11-03-2015, 07:28 PM
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I would definitely check and clean the ground(s.) It may not hurt to pull apart any connections and clean those, too. Check the bulb sockets and connections inside those, too.

2007 RMK 700, 2008 RMK 600, 1995 AC Prowler 2-up, 1980? AC Cheetah
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post #3 of 5 (permalink) Old 11-04-2015, 12:46 PM
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Maybe also take a close look at the wiring. Sometimes mice will eat the coating from your wires. Defiantly clean all connections and use dielectric grease on them.
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post #4 of 5 (permalink) Old 11-15-2015, 06:27 PM Thread Starter
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Update - found out the intermittent lights was actually burnt filaments making on and off contact.

Got new bulbs and decided to check voltage at light connectors before installing. Had wonky readings - fractional voltage, and inconsistent. In my infinite wisdom, I decided it must just be a bad meter connection, and at least the voltage was low so I would not blow any bulbs. I decided to install the tail light bulb to check. It lit up - ran at idle and no issue. Once again, because I am so smart I decided everything was good and went ahead and installed my nice new xenon headlight. It lit up beautifully, then I revved up the engine and blew both bulbs.

Then figured out voltage regulator must be shot. Then my own light bulb went on in my head - re checked for AC voltage. Bingo -. About 12 volts at idle, over 40 volts when revved.

Lesson learned - and shared. Trust your meter, and remember lighting coil produces AC voltage until rectified.

Regulator and new bulbs ordered!
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post #5 of 5 (permalink) Old 11-15-2015, 10:03 PM
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Nice update! Glad you got it working.

2007 RMK 700, 2008 RMK 600, 1995 AC Prowler 2-up, 1980? AC Cheetah
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