SoCal Jet Boats

Tech Talk => Engine Mechanical / Electrical => Topic started by: marceldawson70 on August 12, 2008, 06:44:30 PM

Title: tach help?
Post by: marceldawson70 on August 12, 2008, 06:44:30 PM

HELP!    my tach is a medallion (stock matching the rest of the gauges) the problem is theres no place for a +ign wire!  just the ground and sig terminals.  were they 2 wire units???  :screwy:

Title: Re: tach help?
Post by: GT Jets on August 12, 2008, 07:03:13 PM

Should be two wire, works off of the ignition pulses, some outboard tachs did the same thing.

Title: Re: tach help?
Post by: marceldawson70 on August 12, 2008, 09:19:51 PM

 Thanks I thought I was missing something! I'll put it back in!! Saves some $$$$

Title: Re: tach help?
Post by: GAWnCA on August 13, 2008, 07:56:21 PM

Quote from: marceldawson70 on August 12, 2008, 09:19:51 PM

Thanks I thought I was missing something! I'll put it back in!! Saves some $$$$

Did it work before?  I wonder, could it ground through the mounting bracket?

Title: Re: tach help?
Post by: marceldawson70 on August 13, 2008, 08:33:53 PM

It worked before. I traced wiring back to the coil, some one switched tack lead @ coil to the + side. I didnt pull the boat apart 3 or 4 years ago.. Works now, thanks  Marcel