Everything posted by Mopar1973Man
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Older vehicles beware - Ignition switch
I want to bring up something that happened to me. Now last night a friend showed up with one of his friends and we started talking shop, trucks and diesel be exact Cummins in a Ford. Of course I open the hood on both the 2002 and 1996 Dodge let this other guy preview the trucks. After it was all said and done it was getting late the guys packed up and left. I went out and locked up both trucks and had to roll up the windows on the 1996 Dodge. Went in for the night. Got this morning hauled some trash down to the trash can and hear faint music playing to me it sounded like across the road from me. Disregarded the music being its Jet Boat Race weekends figure people are parting somewhere. Fast Forward. Still hearing the music and walked a package down to the mailbox but didn't hear the music come back up and realized its the 1996 Dodge was the source. Unlocked the door and sure enough, the ignition switch was in ACC position and the key was there. So that means last night when I reached in and turn the ignition on to roll up the windows and turn the key to OFF i managed to pull the key out in the ACC position and the radio played all night long and half of today. Funny part the truck started right up. So be aware of your ignition switch and make sure you get it turned OFF after your done in the truck.
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P1689
Basically, it ohm test from pin to pin from the VP44 plug to the ECM plug. The ohm value should be below 5 ohms for all. Now as for pin to ground with both plug unhooked yet you should get infinite ohms in other words, no shorts to ground. Beyond that, I would do the BlueChip hot wire test and see if the VP44 will fire up as a standalone. https://www.bluechipdiesel.com/
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47RE
This is something I got a member for the other day. Most people don't get the terminals down all the way. The barely grab the top of the battery posts and tighten down terminal. I typically loosen the clamp bolt wide then using a socket and rubber hammer smack the battery terminal down on the battery post fully then snug up the terminal clamp bolt. I know this is not the recommended method of doing this. I just need to buy a pair of terminal spreaders...
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Torque Management Solved (for FREE)
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Ground Reference VP44,ECM,PCM,PDC plus TC lock/unlock
As long as you don't let the magic smoke out of the wires your doing good... Now we come around full circle again. Dodge managed to produce a charging system with loads in excess of what the alternator can handle and let "The Magic Smoke" out of the alternator diodes. My previous post was in jest but also holds some merit...
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Ground Reference VP44,ECM,PCM,PDC plus TC lock/unlock
You'll make it. Even without the education on electrical. You are at what 4xxk miles? I'm chasing you down at 340k miles now and still rolling.
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What the heck!
Did you add yourself to the 911 Database? https://mopar1973man.com/cummins/911-support.html/
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Everyone post a picture of your truck!
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Grid Heater & Alternator Diode Failure
Here is a tidbit I found that sheds a bit of light on the grid heater element. https://goodsonengineering.com/wp-content/uploads/2017/08/FiresCausedbyFracturedResistanceHeatingElements.pdf In Photo 1, we note that the coils (loops) of this element are relatively uniformly spaced. Such uniform spacing creates a relatively constant surface temperature for the element. At 240 VAC, with a fan blowing (as in actual use), surface temperatures were approximately 470 deg F when measured with a thermocouple. This temperature, however, will lessen as the heater element is used. A nominal 5000 watt heater will drop in wattage (and thus heat output) as a function of time. As with the lightbulb filament, the heater element becomes smaller in diameter over time. On the heater element, this reduction in cross-sectional area is due to oxidation. The smaller cross-sectional area increases resistance, which thus decreases wattage.
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Muffler or resonator delete
- Intermittent idle surge-increase
Most likely not. Now if the coolant sensor was not tripping codes and was offset in normal range it will either raise or lower idle speed that's all. Since the coolant sensor is tripping an error code then the value is disregarded and normalized value is used in place to produce a idle speed number. You could disconnect all sensors on the engine except one (cam or crank - tach signal) and the truck will start and idle just fine without all other sensors present.- Intermittent idle surge-increase
I wish you would done just the alternator to verify the AC noise first then the ground wire mod. I've got a few fears about this yet. The fact we never found the cause the diode failure for sure yet. So doing the ground wire mod might keep the noise from hoping in the ECM as quickly. So if we do the ground wire mod and have a failing alternator diode will it give you any warning or will it just torch off your ECM? This is a reason I'm looking for a solution to the diode issue first before resolving the ground wire issue. Still in all my truck ran 10 plus years without any mods and the alternator continue to function fine and no AC noise issues. Still, I'm going to hunt down the noise issue first.- Injectors Only. Anything Else Needed?
Stock Injectors can do this. Just install a boost elbow and it will hit the ECM limits. It won't trip a light per say or error codes but it will start defuelling at 18-19 PSI if you happen to make it past 25 PSI then the P0234 code will be set. With my current setup of DAP (7 x 0.0085) injectors, HX35/40 hybrid turbo, and the Quadzilla Adrenaline I'm snapping 45 PSI of boost then settling at about 40 PSI at a full run.- Injectors Only. Anything Else Needed?
Yes. You'll need both. Typically we all use a tuner to take care of boost fooling and fueling control.This provides the boost elbow and the boost fooler. Then on top of that as injectors get bigger you need to be able to set the timing correctly to keep the smoke down. You are going to need the electronics. If you run the injectors you going to find you hit 18-19 PSI and it falls on its face. Boost fooler is needed. Then the fuel map on the ECM is going to be to aggressive and be smoky. Like I said before with bigger nozzles you going to need to add some more timing that stock which is rather on the retarded side.- HX35 Rebuild
It happens. My first time installing injectors I had a gnarly rough off beat miss.- HX35 Rebuild
That only leaves replacing injectors. Highly doubt its a VP44.- HX35 Rebuild
Most likely never see the smoke. Some pressure and spray bottle full of soap water mix works just fine.- Abs/brake idiot lights
Most over the counter data tools will NOT read the ABS speed sensors. Even my more expensive Innova doesn't read ABS on my truck. You'll either have to go to shop that handles ABS modules or go to the dealer to have that tested. Sorry...- 47RE
47RE is only a 4 Speed transmission. 4th gear and OD are the same gear. You might be thinking the torque converter lockup?- Did my VP go too?
I've been had by eBay. I knew it was too good to be true. The tracking number is invalid no information given. I'm going to have the local post office check and see if they can find anything on the number as well. It's a week past the delivery date. Still no boost controller. This is one of the reason I alway tell people DO NOT buy from eBay. Just like me I just got duped... Not a good source for parts... Take notice its April 22 today...- Muffler or resonator delete
I'm pretty sure that Diamond Eye and MBRP 4" aluminized are the same thickness IIRC.- HX35 Rebuild
Too many people get in a hurry and do weird things on valve lash adjustments. When you are setting the valve lash it should be done on a COLD engine. Now when the jam nut is loosened you want to tighten the set screw (Allen Wrench) till the screw is just touching the feeler gauge. Then the feeler gauge should slide in and out with the slightest resistance. Here is the tough part the jam nut has to be tightened without moving you setting. This takes a bit of thinking to do. If the setting feels slight tight you'll be twisting the set screw slightly loosen as your tightening the jam nut. Reverse applies if the setting is a bit loose you can twist the set screw slightly tight as you tighten the jam nut. Typically I go back and forth several times till I'm happy. Now the one time I was in a hurry I install the DAP injectors +75HP SAC's and while the valve cover was off I did a quick valve lash. Then grabbed my torque wrench and set it for 20 Foot/pounds and ran the jam nuts. That was a mistake. The one that did turn ever so slightly without holding the set screw end up pulling the adjustment too tight. So it created a lopey / rough idle on my truck when hot. Later when I check the lash again I couldn't get a 0.010 or 0.008 in the intakes on a few cylinders and 0.020 or 0.018 on a few exhaust valves. After re-running and taking my time it fixed the lopey / rough idle.- HX35 Rebuild
Good bet I would start there..- HX35 Rebuild
Ok. Does the idle seem normal cold and only idle weird when fully warmed up? Then does the idle change if you barely feed throttle and go away?- Muffler or resonator delete
Like mine is right at 2,100 RPM's the drone starts. Common for 55 MPH in 4th gear (1:1 direct). So I got to speed up or slow down to change the frequency of the exhaust note to stop the drone from occurring. Which is weird all these years of running 3" straight piped and 3" flow through muffled and never had a drone or EGT issue even towing. Now switch up to Diamond Eye 4-inch with muffler with a muffler and now have drone issue. Thankfully It's not common to hit that combination often for me on my long haul lately. I will be getting my RV ready for the road this weekend and hauling south with it. - Intermittent idle surge-increase