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No Ford parts on this truck that I am aware of...

Ah yes the weather... Not only have I been dealing with cold and wet... I get wind there also... Man I hate the wind! Give me wet, give me cold but wind, yuck!

Well the number of flashes seem to be a code. I am willing to bet we can figure it our here. A lot of these threads I read seem to needlessly replace items. So far we have 1 4 and 7 flashes. I need to sit down and read all the stuff above to see of there is any more clues. It did state one...

Post 19 is reinforcing my under volt thoughts...

I will have to check my grounds. More and more I think about this I am convinced the box looks for what the voltage is at power up. A bad ground would cause a voltage drop and thus no joy. Maybe the 7 flashes is a under volt code? Wouldn't this be awesome to know!

Good information and this makes me think there is more to these boxes. When I flip the switch the wait light starts to flash. I wonder if the box needs to see the full voltage when it is powered up and before starting. I know the voltage will drop when the starter and glow plugs are on. Maybe...

Well the 7 flashes of the wait light. Is this a diagnostic code? if it is for what? I haven't found that posted here. I may have missed it. I have looked through the forum and seen people talk about one flash. From what I read in the above documents this is a lamp test. this makes since. I...

The stuff I attached tells me what is inside the boxes. I have not been able to find that anywhere. Also I am shocked that no one here knows how the boxes work. This place is wealth of knowledge and thought this would be a good place to ask. You sure can test the glow plug with a test light...

Thanks for the input! It just I am not one to load up the parts cannon and start shooting. In my limited years of troubleshooting I just don't find the parts cannon all that effective. I want to know how to tell what part is bad. Once I get an understanding of how the system works then I can...

I have been doing some research trying to find testing information and how they work. Maybe my search FU isn't good as I really can't find anything. So I downloaded the patents and took a look. My focus will be on the EESS , 3S and the TSU. The issues I have is the wait light flashes 7...

I found this laying down on top of the engine. What is it and where does it go? Is this the part to keep my truck from blowing up?

What is missing on this air cleaner housing? there's a silver spot and a hole...

They are real testers just testing the battery differently. They measure the internal resistance and calculate the CCA. For the most part they work... only have an issue when the battery heats up internally and the internal resistance goes up. Both a resistance load tester and the ones that...

AWESOME! and thanks!!!

Thanks! I believe I did... I have going over it and looking for issues. I could have done much worse. Its mostly there and only missing a few odds and ends. I believe the items missing may have been lazy mechanic not putting back all items. I looked at the tires closer and only one is 14 years...

Got the transmission working. Whatever was in line was on the coil wire of the relay was the issue. Looks like one of the hoses for the power steering is leaking. I think I found the reason the one of the master cylinder res was empty. I think I have a leaky front caliper. Does anybody know...

What should be the normal charging voltage for the batteries? I think my is running a little high. 14.6 on and 14.5 on the other and 29.1 across both batteries. The gauge needle is pointing just into the red.

So... Lets not go on about the either and IDI engines. please... And back to what I asked... What manual has the wiring diagram for the M1152A1? This will be very helpful. I know how to test glow plug but I do not know how to test the start box... Is there any theory of operations...

OK.... Not too sure how either will harm is small amounts. But hey what do I know.... NOW it the glow plugs are working that's a no go. Then again what do I know. Not here to argue,.

I have a question... what manual has the wiring diagram for an M1152A1? Also what manual is good for parts? There is an A/C duct that isn't all there (I think)