A G2500 is a 4.3 L 150 hp V6 brand new. so not very fast definately under 100 mph
on my 89 it's in a carpeted wooden box right behind the driver's seat post
I have a 1990 gmc vandura 2500 conversion van with the 350 v8 5.7 litre engine. According to the tag found in the glove box, at the front between the two front seats, it has a max towing capacity of 6600lbs. I am currently towing a trailer that is 6200lbs with no problems at all. An RV dealership told me that my 89 g2500 (non-conversion) had a towing capactiy of 7500lbs when I had the brake controler installed. My trailer is 5000lbs and the van tows it well, you know it's there (especially going uphill) but the drivetrain never has to struggle, just has to work harder. Make sure you have an aux cooler for your transmission and a heavy duty radiator installed prior to towing.
One of the vacuum hoses is probably broken. I had the same problem on an 89 vandura. Turned-out to be that the hose was gummed and couldn't hold the vacuum. It was a hose connected to the vacuum reservoir (ball-like object attached to the hood). Good luck.
on the 89 the arm has one wire for the cruise, this connects under the dash and must be disconnected and fished out of the steering column, as for the arm itself, it should just pull out of the column
You can do this without completely removing the dash. Just remove all the screws then remove the support bar underneath the passenger side of the dash. This should give you enough wiggle room to get the core out.
Yes
carfully
It does not have 1 on that year.
What color is the light and where exactly is it? In the gauge cluster there will be three under the speedometer which are (from left to right) parking brake on (red), check engine (yellow), fasten seatbelts (red). Based on my 89 anyways.
unleaded, 89 or higher for a vortec.
Yes
yes i does just keep the wiring from that same truck and it should be fine