Vsm 900 Turn Signal Wiring Diagram how to mount VSM Turn-Signal Switch. 1. Insert screws Wire as ir,dicoted in accompanying diagram. Remove flasher from harness during wiring. One wire goes from the turn signal switch to the stop light switch (assume this supplies power to the switch). Does anyone have a wiring diagram or schematic for the VSM does anyone have a wiring diagram or schematic for the VSM 900 turn signal and hazard switch? please help me. Submitted: 10 years ago. I replaced the turn signal switch and wiring harness but st need a electrical diagram for a gmc 2005 C6500 DEISEL I need a how to mount VSM 900 - TruckSpring PDF filehow to mount VSM 900 Turn-Signal Switch 1 . Insert screws into anchors. 2. Remove flasher during wiring. Replace flasher only otter wiring is completed and checked. 3. Wire as ir,dicoted in accompanying diagram.-4. Tope ends of unused wires to prevent shorts. 5. Replace flasher to complete installation. Turn Signal Switch Universal, 900, Vehicle Safety Ships Today! We carry Vehicle Safety 900 Turn Signal Switch Universal at RyderFleetProducts. Large inventory of aftermarket parts from Vehicle Safety at low prices. Free Shipping available. Turn Signal Wiring Diagrams - imageevent This information covers the Signal Stat series 900 Turn Signals Double click on any picture for full screen size • Public Gallery • Turn Signal Wiring Diagrams. This information covers the Signal Stat series 900 Turn Signals Double click on any picture for full screen size: Date(s):