Detailed repair manual for the 1996 GMC Truck C 1500 Truck 2WD V6-4.3L VIN W. Operation CHARM : Car repair manuals for everyone. Home >> GMC Truck >> 1996 >> C 1500 Truck 2WD V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Diagrams >> Vacuum and Vapor Hose Diagrams. SOURCE: looking for a vacum line diagram so i can print it 1996 gmc jimmy. GMC S10/S15/Sonoma Pick-Ups 1982-1993 Repair Manual VACUUM DIAGRAMS (See Figures 1 through 85) Below is a listing of vacuum diagrams for most of the engine and emissions package combinations covered by this manual.
Rear of TBI goes to MAP sensor (small rectangular device on passenger side of intake, only has 1 vacuum connection and 1 3-pin electrical connection) Front driver side TBI port goes to the port towards the middle of the little black box near your thermostat. That's the cannister purge valve.. The factory diagram you posted shows where that rear port connects, but it shows it hooking to the front port of the canister for some reason: View attachment 33997 The other port above where that rear port vacuum line hooks, runs across the intake to the pcv solenoid.[/QUOT