Results 1 to 5 of 5

aftermarket tach problem

This is a discussion on aftermarket tach problem within the Classic Muscle forums, part of the Vehicle Specific category; what would cause the tach to ground out the engine? it runs fine without the tach, then when i connect ...

  1. #1
    Impounded x-40oz-x's Avatar
    Join Date
    Aug 2005
    Location
    Canada
    Posts
    1,287
    1981 g-Body

    aftermarket tach problem

    what would cause the tach to ground out the engine?
    it runs fine without the tach, then when i connect the ground wire the engine turns off. This is on a friends '80 grand prix.

  2. #2
    Impounded x-40oz-x's Avatar
    Join Date
    Aug 2005
    Location
    Canada
    Posts
    1,287
    1981 g-Body

    anyone?

  3. #3
    Nitrous Tuner LS2Tuner's Avatar
    Join Date
    Aug 2006
    Location
    WestCoast AZ-CALI
    Posts
    4,763

    Silver
    05 Goat SMASHED

    Something is wrong!!

    What kind of tach are you hooking up?

    The green wire should be on the - side of the coil. Are you runiing a stock HEI dist.?

    So your saying you connect the small black wire that is teh ground for the tach and it kills the motor........?

    If that what your saying I would be willing to beat the green wire is spliced in to the wrong circuit.
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

  4. #4
    Impounded x-40oz-x's Avatar
    Join Date
    Aug 2005
    Location
    Canada
    Posts
    1,287
    1981 g-Body

    Quote Originally Posted by LS2Tuner View Post
    So your saying you connect the small black wire that is teh ground for the tach and it kills the motor........?
    exactly.



    The distributor has a built in coil which the green wire goes to.
    the red wire goes to the fuse box.

    The tach is just a cheap walmart one which i think is the problem cause i have no idea what else it could be.

  5. #5
    Nitrous Tuner LS2Tuner's Avatar
    Join Date
    Aug 2006
    Location
    WestCoast AZ-CALI
    Posts
    4,763

    Silver
    05 Goat SMASHED

    Take it back and tell him to go to Autozone and buy a cheap ass Sun.

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. Tach hook-up problem
    By cschoen in forum Computer & Tuning
    Replies: 1
    Last Post: 12-22-2010, 06:32 PM
  2. LS1 vs C3 tach
    By Zmanx in forum Stereo and Electronics
    Replies: 1
    Last Post: 12-06-2008, 10:38 AM
  3. Tach Problem !!!!
    By camarostripes96 in forum General Help
    Replies: 0
    Last Post: 10-24-2008, 09:44 AM
  4. tach
    By guy in forum Firebird / WS6
    Replies: 1
    Last Post: 10-28-2006, 10:41 AM
  5. monsoon aftermarket problem
    By jdphillips1982 in forum Stereo and Electronics
    Replies: 7
    Last Post: 09-16-2006, 07:47 PM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •