I would like to install a 2 1/16" tach on the A pillar and also a Boost Gauge.
My problem is i dont know what kind of tach i need and also have no clue were to connect it.
Would like to know were to get the gauges, and get the A pillar pod.
thanks

 

I don't know either but I would like to do the same thing

 

Check out Geno's Garage. They have the 1st gen dual "A" pillar pod for 89-93 pickups. They also sell gauges too. I have been told that Isspro makes a tachometer and harness that will connect up to the factory tach harness on the steering column. As for the other gauges like Boost and Pyrometer.........those can be anything you want. Just pick the design and size (most are all 2")

 

A few guys have used this tach set up and like it: summit autometer #2888

Issopro makes a 2 pulse tach and harness that will plug into the factory tach plug

You can also order a tach from Issopro that hooks up to the altenator and is suppossed to work well with our engines.

BUT!!! this is probably teh best info i have seen on here about installing a tach, great write up with pictures:

https://www.dieseltruckresource.com/...d.php?t=173561

 

Thanks i will check it out.

 

the Isspro R5503 tach is a 0-4000 rpm with black face white letters, white needle and black bezel in the enhanced visibility version.

I have yet to see them come out with the red needle to date but you can match your other gauges to that.

The harness kit for the 91.5-93 is a R8912-92 check under your dash just above the emergency brake for an empty 4 wire plug, that is the factory tach plug and makes this easy to do. Installing an alternator style is more difficult.

I have seen trucks all the way up to 92 that didn't have it but most do. Generally if the truck has the tach sensor on it then it will have the plug. If not you will need to use the earlier model harness kit R8912 and attach the two magnets and sensor kit.

 

oops forgot to mention,
if you go with the harness kit follow the wiring diagram for the 3 3/8" gauge that comes with the kit. Isspro has a filter built into the harness.

The old flat face 2 1/16 R8503 gauge used to be wired through this filter. With the 2 1/16" EVA or EVM series gauges you bypass the filter or you won't get the signal.

There is also a small transformer on the back of the tach for 24 volt use. You throw that over your shoulder... bingo you've got yourself a tach.

 

cool cant wait for the weekend to go play on my truck.
thanks