Cold your WTS light should be on for 12 seconds. Replace the controller or wire the relay to a push button. Check the glow plugs, short cycle times are classic for a couple burnt out glow plugs. To test use an automotive test light. Clip the ground clip to the positive battery termonal. 99.5 F-250 Super Duty w/7.3 Powerstroke 4X4 Short Bed/Crew Cab Magnaflow 4" Turbo back SS Exhaust/5" Tip DP-Tuner>No-Start,Stock,High Idle,60HP Tow,Decel,80HP Econo,120HP Race,Lope Idle F250 won't start. 1987 - 1996 F150 & Larger F-Series Trucks - Glow Plug Relay - When I got this truck a week ago, (93 F250 7.3 Turbo, 188k miles) the glow plug relay clicked a couple times a second when Wait to Start was on. It had, what I believe, were stock GP's, so I replaced them with Motorcraft. What you shouldn't do when replacing a Ford 7.3 Glow Plug Relay. I knew better and did it anyways. #powerstroke #fordtrucks #wrenchingwithkenny #diesel #dies Usually bad or failing glow plugs will produce a few symptoms that can alert the driver of a potential issue. 1. Engine misfires or decrease in power and acceleration. Engine misfires are one of the first symptoms of an issue with the vehicle’s glow plugs. If the glow plugs malfunction they will not provide the additional heat that aids in Answer. There is no "control unit" on your Ford Focus that directly controls the glow plugs. The four glow plugs are connected by a single wire covered with a ribbon. This wire comes directly from the fuse and relay box that is between the battery and the air box. The R12 relay simply gives power to the glow plugs controlled by the engine Ford Senior Technician. Vocational, Technical or Tra 2,562 satisfied customers. Ford: ltr..blown..side front..engine for 5 mins, glow plug light goes. Ford Mondeo 2 ltr diesel - car will not start when temperature falls below zero degrees. Glow plug light flashes. If heat is blown to left hand side front … read more. Do you know how to check a bad glow plug? 🏍🛠🔨If you don't, check this video till the end! 🔧Even if you know, you can watch this video and tell me what y .

ford focus glow plug relay location