The standard speaker size on a 1996 GMC Sierra truck is 9 inches. Larger speakers can be added but required the opening to be enlarged.
There is a lot of information about tire sizes available for a GMC Sierra 1500. It would be best to check with the GMC retailer and see what they have in store.
The gap for spark plugs in a 96 GMC sierra is .60
6.5"
4x6 inches
3
The 1996 GMC Sierra DRL module is located underneath the dash panel on the driverside between the pakingy brake pedal and the brake pedal.
R-134a
you have to replace it
Can't speak for all, but mone does
5.7L
door 6.5 rear 6.5 or 6x9
yes