Could you get a factory tach in 91? I am looking at one and the guy says about the only option it has is a tach. Is it out of the question to put a/c and cruise on one of these?

 

91.5 you could, intercooled model in other words. Cruise is not hard, now a/c may be a bit of a challenge. I think there are aftermarket systems available or once available but dont know if they still are.

 

I'm fairly certain a tach was avaliable in '91, but really hard to find for any 1st gen.
The best way to do the air is a donor Dodge from the same era. The cruise is tied in with the PCM on the '93s, but I know the early 1st Gens had a mechanical speedo, so it might be possible to retro fit one of those. I will look at my schematics tonight.

 

If it does have a factory tach, where did they put them?

 

On top of the dash next to the a pillar. Check out the 'gauge pod pics' thread someone started that is just below this one for a pic of one.

 

The "factory" tach was a dealer installed (or DIY) Mopar accessory for '92 and '93 trucks. The older trucks don't have a crank sensor.

 

My early 91 had a factory tach in it. Getrag with a crank sensor.

 

If its got a factory tach or even a factory installed tach, then that is worth the price of AC & cruise . OEM tachs go for the price of half a dozen aftermarket ones sometimes!

Do like rbrett said and compare to the previous post's picture.

 

my factory (or dealer installed) tach is located above the 4wd indicating light on the dash

 

my 91 non IC truck has one, A/C and cruise to!