UK/Ireland Location: Worcestershire. Posted January 20, 2016. Yes you can remove glow plugs without inlet manifold coming off. Budding Enthusiast. 84. Name: Christopher. Ford Model: Ford Fiesta 1.4 TDCi. Ford Year: 2008. glow plug relay, does anyone know its location on ford focus 2009 1.6 tdci hatchback; i know for certain its not in the fuse box Have you checked the fusebox in the engine bay or just the one in the passenger side footwell? To check the wiring just disconnect everything and using a ohm meter ohm out the wires. If you look at the wires gong to the glow plugs it will look like a direct short since a good glow plug will read between 0.6 and 2 ohms. So disconnect the plugs to the valve cover harness to eliminate the under valve cover wiring. Reaction score. 1,510. Location. USA. My 87 6.9 (with the 7.3 glow plug system) seems to have developed one or more bad glow plugs this summer. Somewhere in the 40s, it has problems starting and the WTS light is only ever on for a maximum of about 3 seconds, no matter how cold it is. At about 50 degrees or above it's "okay". When you first turn the key ON, the Wait to Start light should come on for about 10 seconds. When it goes out, start the engine. If you leave the key ON without starting the engine, it will draw your batteries down rather fast, the glow plugs draw a lot of power. When you turn the key ON, the glow plugs heat up. 2012. If You need to change the glow plugs on the Ford Focus then You need to follow these steps. First, You will want to locate the glow plugs. They are on top of the cylinder heads on the engine, and there are multiple of them. They look a lot like spark plugs, so they should be easy enough to find. When you Crank the Starter + Voltages goes through the White Wire to the Violet one and turns the Glow Plug Relay Off. Terminal 50 input is to interrupt the glow cycle following engine start. Terminal 15) Run start input. rd/bk (Black) ignition switch from the starter. Terminal 31) Ground. br (Brown)ground. Remembering glow plugs are 6v appliances running in a 12v system, here is how the PCM determines glow time based on ECT (degrees C) and measured battery voltage (under full load) at the glow plug relay. Max glow time should be 21.8 seconds if your batteries are junk, and you live at the North Pole. Happy calculating! maybe this will get a sticky. push a thin screwdriver between the controller and the housing. Then using another screwdriver, gently pry the controller with the relay attached off the housing. That allows access to remove the relay from the controller. See more. 5. 2002 Chevy Duramax/Allison, bone stock. nkF16Y.

ford focus c max glow plug relay location