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rpm tach instructions

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=5506
Printed Date: August 06, 2025 at 8:18 AM


Topic: rpm tach instructions

Posted By: prluvr8
Subject: rpm tach instructions
Date Posted: November 16, 2002 at 1:14 AM

hey fellas, i need help in installing a rpm tach on a 1983 toyota corolla. instruction show installation if car has a coil but mine has electronic ignition. im supposed to hook up white to the interior lights red to positive once ignition is turned on. black to negative on battery or ground to body and green to neg on coil where do i connect this wire. any help would be appreciated. wire diagram to this car would help big time thanks santos i have auto gage tach with rpm light 3 3/4



Replies:

Posted By: Velocity Motors
Date Posted: November 16, 2002 at 4:46 PM
  • white to the interior lights ( RED / wht or blk/wht  |-  |plug at fusebox  )
  • red to positive once ignition is turned on. ( IGNITION|BLACK / YELLOW )
  • black to negative on battery or ground to body GROUND to chassis
  • green to neg on coil  ( TACHOMETER|black               |   |igniter or fusebox  )


-------------
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA



Posted By: prluvr8
Date Posted: November 16, 2002 at 5:36 PM

hey thanks for quick reply.im gonna try tomorrow or monday ill let you know how it comes out

santos


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