Wiring Diagrams

Fig 1: Cutlass Supreme, Delta 88/Custom Cruiser & Toronado 5.7L V8 Glow Plug System Wiring Diagram

Fig 2: All Cadillac, Oldsmobile 4.3L V6 Cutlass Cierra, Chevrolet 5.7L V8 Impala & Caprice 8 glow plugs shown. V6 models use only 6 glow plugs.