1978 Ford F 150 Engine Diagram - 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. 12.04.2010 · Just went through this myself, my washer fluid wouldn't spray and the intermittent wipers wouldn't work. On my late 99 there were 3 relays under the.