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lights on, tach jumps with turn signal???????????

Started by moparjohn, January 04, 2007, 09:32:05 PM

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moparjohn

January 04, 2007, 09:32:05 PM
Tonight on the way home at a stop light I noticed that the tach needle was jumping with the activated turn signal- I know it's electrical- can you narrow it down? Thanks John
Happiness is having a hole in your roof!

resq302

#1
January 05, 2007, 12:24:02 AM
John,

Does your lights also pulsate at the same time?  If so, might be the sign of a bad voltage regulator or the alternator starting to go.
Brian
1969 Dodge Charger (factory 4 speed, H code 383 engine,  AACA Senior winner, 2008 Concours d'Elegance participant, 2009 Concours d'Elegance award winner)
1970 Challenger Convert. factory #'s matching red inter. w/ white body.  318 car built 9/28/69 (AACA Senior winner)
1969 Plymough GTX convertible - original sheet metal, #'s matching drivetrain, T3 Honey Bronze, 1 of 701 produced, 1 of 362 with 440 4 bbl - auto

69chargeryeehaa

#2
August 29, 2007, 03:24:20 PM
Quote from: moparjohn on January 04, 2007, 09:32:05 PM
Tonight on the way home at a stop light I noticed that the tach needle was jumping with the activated turn signal- I know it's electrical- can you narrow it down? Thanks John

this an aftermarket tach?  if so, connect the lights and the power to key'ed power, NOT to a light bulb for the dimmer function, the light will allways be on, but the tach won't jump around!!!
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