Wiring diagram help

[old truck guy]

I’m looking for a wiring diagram for a 90-91 Chevy crew cab. Everything I can find for those years is for the 88+ obs trucks. I need the square body with the 350tbi, overdrive trans and electric speedo. Any help would be greatly appreciated.

[silvernajd]

https://cardiagn.com/1983-2004-chevrolet-s10-pickup-system-wiring-diagrams/

[dave w]

I’m looking for a wiring diagram for a 90-91 Chevy crew cab. Everything I can find for those years is for the 88+ obs trucks. I need the square body with the 350tbi, overdrive trans and electric speedo. Any help would be greatly appreciated.

Possibly Body Style "R" or Body Style "V"? Possibly narrow wiring search for 1990 or 1991, very helpful when searching Make / Model / Year "pay-per-view" data bases.

For the TBI engine wiring with ECM 1227747 Same Same Same for Body Styles "C" .. "K" .. "G" .. "P" .. "R" .. "V"

dave w