Plug the engine and chassis harnesses together and check for proper operation. Check resistance between control switch Pin No. If no power check cold start solenoid or glow plug timer switch. I would appreciate any help on probable causes and what needs to be replaced to fix the problem. On Monday the 17th of December I went to start it and it took a very long time to get it to turn over I had to use Starting Fluid. When a diesel engine has sat idle and cooled down, especially in the coldest months, the air in the diesel engine may not be hot enough to combust.
With ignition off, disconnect power relay signal Purple lead. The glow plug relay controls the glow plug system by the pre-heat cycle based on the reading from the temperature sensor of the cylinder head. Check voltage between control switch connector Pin No. Went to my closest auto parts I live very far out in the country store purchased 8 glow plugs, installed them and the truck started just fine like it usually does. The hat is either pressed down or screwed down on top of the plug. If charge is okay, go to next step.
Basically the non turbo diesels have the glow plugs outside edge ofthe heads. It not very hard at all. After you remove the wire connector from the injector should be a spade type on the 6. Remove test lamp from power relay. I highly advise you to buy all of your parts from an international navistar dealer insted of ford.
With ignition off, disconnect engine harness at control switch. Troubleshoot for glow plug problems if your car is running rough and has no pick-up, or if black smoke is pouring out of the rear of your car. If resistance is less than one ohm, go to next step. If lamp goes out, replace power relay and go to next step. If fusible link blows, go to next step.
I'm still working on my first set of plugs since I bought the truck 5yrs and still going. Turn ignition on and then off. Repeat several times to obtain accurate reading. If so, go to next step. Where I work the outside plugs don't come on until -15c, so you can trust me, it workks I did something simular with my 89 diesel. I did once when my glowplug controller quit while in the woods on a logging job and the motor blew about a month later. You need to know how many of your plugs are bad before you buy any.
If test lamp stays on, repair or replace chassis wiring harness to glow plugs and go to next step. If resistance is more than 2 ohms at any glow plug, replace glow plug s , reconnect harness and check vehicle operation. Remove the glo-plugs and using short jump leads test across the battery terminals. Clean out the old glow plug hole; get rid of some of that schmutz because you don't want it flopping down inside the glow plug container. Glow Plug system update, 6.
Excessive black smoke could result from restricted intake or exhaust, inoperative leaking or weak turbo if equiped , intake manifold gasket leaks turbo , leaking or worn injectors, fuel return or supply restriction, advanced injecion pump timing or defective injection pump. If bulb is good, repair or replace chassis wiring as needed. Follow the spark plug wires from the distrubitor to the plugs located under the valve covers. With test lamp still connected, turn ignition on. If not, for engine at normal operating temperature, condition is normal. Check resistance between glow plug terminal and metal case of glow plug.
If resistance of one or more fusible link is one ohm or greater, replace link s and repeat step 6. Keep at it; you'll eventually finish as long as you don't expect to finish too quickly. Check fusible link between ignition switch and control switch. I am new to diesel trucks and I do not have any manuals the shrink wrapped Chiltons manual I purchased has very, very little on diesels. If resistance is less than one ohm, go to next step. Disconnect power relay signal Purple lead. Check resistance between control switch connector Pin No.