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02 Rupp Scrambler Trail 70 clone - 12v or 6v? Tips on making lights work?
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<blockquote data-quote="69ST" data-source="post: 157694" data-attributes="member: 5"><p>The Lifan parts are an interesting twist. `02-`03 has to be among the earliest batch. In early `04, I bought a sizable lot of Rupp parts; many of them, mostly mufflers were clearly stamped "JINCHENG". Looks like these bikes may have been assembled, using multiple suppliers, much the same as OEM. At this late date, it scarcely matters...other than as interesting history for some of us.</p><p></p><p>With all of the electrical hacketry done by the PO, there's a high likelihood that it's the source of your electrical woes. That doesn't preclude a failed/failing rectifier. But, without getting the wiring sorted first, you'll just be treating the symptoms instead of the underlying problem.</p><p></p><p>What seems kinda weird is your voltage test result. Seems more in line with a 6v system. However, the weakened horn...6v battery fitted...sez that this is a 12v system. Wouldn't be hard to change the bulbs to 6v. Since the turn signals are MIA, you could source aftermarket stalk assemblies & a 6v relay. BUT...before going through all of that, better figure out what the alternator can sustain (there are 6v reg/rec units available) first. Otherwise, you could end up chasing yourself around in circles.</p><p></p><p>If you know how to remove the spades from the harness side of the harness-to-alternator connector, pull the two AC leads. Then check AC voltage, at varying revs. Didn't want to get into this right off the bat. Now seems the logical time to do this. Check AC voltage from each feed, to ground, then across the two AC feeds. Let's see what the alternator is doing, freed from the rest of the unknown wiring.</p></blockquote><p></p>
[QUOTE="69ST, post: 157694, member: 5"] The Lifan parts are an interesting twist. `02-`03 has to be among the earliest batch. In early `04, I bought a sizable lot of Rupp parts; many of them, mostly mufflers were clearly stamped "JINCHENG". Looks like these bikes may have been assembled, using multiple suppliers, much the same as OEM. At this late date, it scarcely matters...other than as interesting history for some of us. With all of the electrical hacketry done by the PO, there's a high likelihood that it's the source of your electrical woes. That doesn't preclude a failed/failing rectifier. But, without getting the wiring sorted first, you'll just be treating the symptoms instead of the underlying problem. What seems kinda weird is your voltage test result. Seems more in line with a 6v system. However, the weakened horn...6v battery fitted...sez that this is a 12v system. Wouldn't be hard to change the bulbs to 6v. Since the turn signals are MIA, you could source aftermarket stalk assemblies & a 6v relay. BUT...before going through all of that, better figure out what the alternator can sustain (there are 6v reg/rec units available) first. Otherwise, you could end up chasing yourself around in circles. If you know how to remove the spades from the harness side of the harness-to-alternator connector, pull the two AC leads. Then check AC voltage, at varying revs. Didn't want to get into this right off the bat. Now seems the logical time to do this. Check AC voltage from each feed, to ground, then across the two AC feeds. Let's see what the alternator is doing, freed from the rest of the unknown wiring. [/QUOTE]
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02 Rupp Scrambler Trail 70 clone - 12v or 6v? Tips on making lights work?
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