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jbell959 jbell959 is online now
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Join Date: Oct 2004
Location: S California
Posts: 8,003
Sounds like your regulator is working fine. If you have 12V and the tach pegs with the purple/black wire disconnected, then it's definitely the tach. I wouldn't waste your money on a cheap tach to test it. You need to have it repaired.
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1970 911E Sportomatic Albert Blue
1971 911T Sunroof Coupe w/ Twin Plug 2.5 MFI
1973 911E Glacier Blue
1973 911E RSR Tribute Viper Green w/ 3.5 Twin Plug MFI
Old 06-28-2025, 11:35 AM
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