Repair Guides Wiring Diagrams Wiring Diagrams . AutoZone Repair Guide for your Chassis Electrical Wiring Diagrams Wiring Diagrams
PDF 1989 Wiring Diagrams R-v, P Truck Models . Wiring Repair 14 Special Tools 15 VEHICLE SECTION R/V Models A-1 P :Chassis B-1 WIRING DIAGRAMS 2 DESCRIPTION Figure 1—Wire Coding • The diagrams are to be traced from the source of electricity (the battery positive post) to ground. The ground may be a chassis ground on a certain com ponent (such as an alternator or a starter), or a wire GMC Wire information :: Your GMC wire information authority . Your source for GMC wire information, wiring information, technical help for your new or used vehicle, GMC, Technical Wiring Diagrams, wire information, wirediagram. GMC wire information, wire info, wiring information, wiring info, color codes, Technical Wiring ! Diagrams SilveradoSierra.com • wiring diagram for 1989 gmc k1500 . wiring diagram for 1989 gmc k1500. Nov 15 2013, 6:19am. Looking at the wiring diagram the pink wire has a 3amp fuse before it hits the engine control module then to the coil- the white wire goes to the battery & the purple one goes to the starter. I do not know where the gray one goes unless Where is ECM grounded? 89 Surburban - Chevy Message Forum . But these are notorious for bad grounds. The ECM aught to be grounded to tbe body if it's not grounded seperately. Would imagine a factory wiring diagram will show you how that is. I never was into the ECM to even know where it is, but I assume it's under the front right kick panel or dash someplace.
