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    Losing Prime

    There is no way the fuel can drain back from the engine, unless air is coming in at the engine somewhere. Think of it like a straw that you put into a drink, hold your thumb over the top of the straw, and pull the straw out of the drink. The liquid left in the straw is going to stay there in...
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    FSV (again!)

    This is a diagram for a 1986 diesel. Fuse 15, 10 amp ok?
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    Vacuum to electric cruise

    The sensor in the speedo cable under the booster generates a A/C signal. The frequency of this signal varies with the speed. The voltage may vary also but it's the frequency the cruise control board is looking at. P.S. I looked at a 1987, they still had the speed sensor under the brake...
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    Intermittent Transmission Grinding at all times

    The zf transmission is aluminum, and is basically a very large speaker. The input to the speaker is the engine. Any noise from the engine will be sent through and amplified by the transmission. That is what the gear roll-over noise is, it's just the engine doing it's normal hammering when...
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    Vacuum to electric cruise

    All 1986 and down.
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    Vacuum to electric cruise

    Here is a picture of a 1986 cruise control speed sensor. From the EVTM
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    Vacuum to electric cruise

    I don't believe that is stock for his truck though. Unless that is what the cruise control sensor evolved into.
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    Vacuum to electric cruise

    I think you will find they did not have one at all those years. The only one they had was one inserted in the speedo cable about half-way, it sort of lives under the brake booster. It was for the cruise control. Even the first fuel injected engines in those trucks did not use a speed sensor...
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    Vacuum to electric cruise

    Yes, but they are mounted in the rearend. Your earlier truck has a speed sensor back there? I didn't think they did unless you have swapped in a later rearend.
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    '89 7.3 T Wait to Start light not turning off. New to me, Property Of Shop.

    Be sure you know what you are doing with the wiring. You should never use a maintained switch for a manual button. It's too easy for that switch to get knocked in the wrong position and burn up all your glowplugs. And those things as you found out are not cheap. The white wire on the...
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    Vacuum to electric cruise

    Hardest part I would think would be retro fitting the speed sensor.
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    Can vegetable oil be mixed with diesel and or wmo?

    Ever thought about moving out of Ca? Although outbound lanes may be backed up from what I have heard.
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    '89 7.3 T Wait to Start light not turning off. New to me, Property Of Shop.

    This sounds like candidate for a manual glowplug conversion button. Go to the controller, take the white wire off the terminal on the controller and tape it. Take a new wire and hook where the white wire used to be, run that into the cab to a momentary pushbutton, and on the other side of the...
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    Losing Prime

    What o-rings did your kit contain? I was using Buna-N hydraulic style o-rings, and they would only last a coupe of years before they started seeping. I went with the Viton from McMaster Carr and they have lasted so far many years. But I will tell you, when the other o-rings started giving...
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    Losing Prime

    Since it's starting and running for a few seconds and then stalling, that means the IP still has fuel in it. When that little bit runs out it stalls as the IP is hit with air from the rest of the empty fuel system. Do you have a hill in your yard somewhere? Till you get it figured out, you...
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    Coolant temperature switch and coolant overheat switch fail at the same time?

    What you guys do not realize, the coolant overtemp switch IS tied into the coolant temperature gauge, along with the coolant temperature sending unit. Both are wired together. Everything works like a conventional temp sending setup until the coolant temp switch activates. When it activates...
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    Wiring winch to trailer - 3rd battery?

    Roll-back guys do this. But they use wd-40. A couple of squirts where the tires go and it makes it pretty slippery.
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    Can the mechanical fuel pump be left on temporarily after installing an electric lift pump?

    I also ran a electric pump with the old mech pump still installed, no connection to it. It makes a little noise but no problems otherwise. I did finally take it off.
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    What is a good GLOPLUG

    The plastic pieces around the plug ins that go right on the glowplugs are important. They keep tension on the connection to the glowplug. Mine went bad also and it is partly the reason my glowplug system doesn't work sometimes. Are you really in love with the auto glowplugs? I am a fan of...
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    I need an engine!

    The first one may have possibilities. 1987 Engine Assembly Ford Truck F250 6.9L (VIN 1, 8th digit, diesel) X 22A007 1194kg $1200 Bradford Auto Parts & Salvage, Inc. USA-FL(Starke) Request_Quote 904-966-0774 Request_Insurance_Quote 633 1986 Engine Assembly Ford Truck F250 PARTS ONLY...
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    What is a good GLOPLUG

    Ones that say Beru, made in Germany. Motorcraft uses those and I have bought some NOS ones from ebay that had international packaging. But there is a thing now, the Motorcrafts are being pirated with Motorcraft packaging, with cheap plugs inside. So it's a crap shoot now. If you are still...
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    I need an engine!

    Years ago I was down in Florida on vacation and needed parts to fix a breakdown. That's when I found out many of the idi trucks were caught up in the Obama cash for clunkers. Most were sent to the crusher. They were in the back 40 but they could not sell parts off of them once they were...
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    Anyone use Marine Deep Cycle AGM Batteries?

    .03 or 30ma draw is considered acceptable. Thereshold of being acceptable is around .07 or 70ma. All newer cars and trucks have some parasitic draw. Let any newer car or truck sit for 6 months and the battery will go flat. I would put a maintainer on it if it will sit for long periods.
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    Anyone use Marine Deep Cycle AGM Batteries?

    You are correct. No deep cycle battery will have a very high CCA rating compared to a starting battery. The Marine batteries are inbetween, having a little bit higher CCA than a deep cycle, but still not as good as a starting battery.
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    Electric fuel pump recommendations

    If it will not start at all cold, most likely you have a glowplug problem. If it starts for a second and then quits, its most likely a fuel drainback problem.
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