Wiring Diagram For 2004 Ranger - 08.11.2011 · 6.0L Power Stroke Diesel - 2006 6.0 Glow Plug wiring diagram - Good morning. Did a ton of reading on the glow plug system yesterday and did the OHM check last night. The wire colors on the diagrams I saw posted didn't match the wire colors on my truck. I disconnected the 4 pin plug right behing the alternator and got. Hopkins Wiring - 37185. Adapter converts from 4 pole wiring on Nissan Titan to 7-pole round plug and 4-pole flat. Additional wire leads for brake, power and accessory..