how do i hook up a tachometer to my 93 mercury gm

5 posts 4 contributors 1,282 views

93MERCOP

Member since May 2010
27 posts
columbus, GA, USA
1 vehicle in the registry

May 3, 2010 at 7:43 AM

ive tried a bunch of different things and jus cant get it right, anybody know anything

MISTA MERC

dennis_the_t

Member since Apr 2010
12 posts
Anytown, MO, USA

May 4, 2010 at 9:38 AM

Weren't instructions included with the tach?

93MERCOP

Member since May 2010
27 posts
columbus, GA, USA
1 vehicle in the registry

May 4, 2010 at 9:38 PM

yeah prolly if i wouldve bought it new, guess i outta by a new 1. but ive heard hooking em up to mercs, vics, etc are a pain

MISTA MERC

ssgwap

Member since Sep 2010
2 posts
Fishers, IN, USA
1 vehicle in the registry

Sep 25, 2010 at 8:01 AM

You need the Tach Adapter made by AutoMeter to get a tach signal. You will have to feed off of the O2 Sensor with the Adapter. It's a simple install.

p71teen

Member since Apr 2011
6 posts
New Orleans, LA, USA

Apr 27, 2011 at 3:34 PM

Why do you have to have a Tach Adapter?

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