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Testing 7.3 Glow Plugs

Testing 7.3 Glow Plugs - In this video i show you how a properly working glow plug relay functions, as well as how to test and diagnose a bad one. How to test the glow plug system on a 7.3 powerstroke diesel enginethe 7.3l powerstroke is a legendary engine but it also has trouble starting when it's cold. If it is much over 2 ohms, replace it. Test on the pins going into the valve cover to read resistance from the glow plugs and injectors. One to the base and one to the bullet connector. Test between g and battery ground to test glow plugs. Use the lowest ohm setting probably the 200, press the probes. If the test light lights well (brightly), the uvc and gp is ok for that gp position. And of course make sure that you are. Using a test light (not led if you can help it), attach the clip end of the light to b+ (alt or battery) and simply touch each outer male terminal in the uvc in turn.

Put one lead on the top of the glow plug and the other lead to a good ground source. Stay tuned as i’ll be explaining both of the procedures steps by step. Compared to metal glow plugs, nhtc glow plugs have a more robust, fully ceramic heating element which is encased in a ceramic insulator. If you liked the video, please subscribe and check out some. The easiest, non invasive way to check glow plugs is to use an amp clamp meter on wire at glowplug relay (big wire) you should have between 60 to 80 amp draw while glow plug cycle is active. If you have trouble starting at 50 unassisted even with all of your glow plugs dead, your injectors are shot. Test between i and c to test the injectors, should be less than 5.0 ohms. It doesn't matter which end is on the glow plug. Test on the pins going into the valve cover to read resistance from the glow plugs and injectors. If it is much over 2 ohms, replace it.

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The Other Lead Goes To Ground.

If you have trouble starting at 50 unassisted even with all of your glow plugs dead, your injectors are shot. In this video i show you how a properly working glow plug relay functions, as well as how to test and diagnose a bad one. The glow plug monitor self test (california only) is a koer functional test of the glow plug system performed on demand with the engine running and the a/c off. If the connection looks and feels good, retest the glow plug itself using an ohm meter.

Also Look At Your Valve Cover Plug Pins For Burnt/Corroded Pins.

Compared to metal glow plugs, nhtc glow plugs have a more robust, fully ceramic heating element which is encased in a ceramic insulator. If the test light lights well (brightly), the uvc and gp is ok for that gp position. Test between i and c to test the injectors, should be less than 5.0 ohms. Stay tuned as i’ll be explaining both of the procedures steps by step.

If You Liked The Video, Please Subscribe And Check Out Some.

You can test all your plugs valve cover on by unplugging the harness at the cover and ohm testing the two outside pins on each side of the valve cover plug. Put one lead on the glow plug where you took the wire off. Click on my name under the video for more how to videos,,,,,enjoy It doesn't matter which end is on the glow plug.

Usually A No Start Situation Is A Gpr And Hard Start Is A Gp.

And of course make sure that you are. 93 f250 7.3 idi s/c xlt 4x4 e40d 3.55ls, captains chairs, tutone mocha, leer 48 hiboy cap, fr & rr hitches, full deezee running boards. Using the ggiiciigg method that dean gave you above in the two links. Test on the pins going into the valve cover to read resistance from the glow plugs and injectors.

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