Vp44 ground mod 0 QCLB 3500 4x4 3. 11. Here is some helpful info and tech on 98-02 vp44 24v Cummins engines. Metric M5 with a 5/16" hex head is perfect Apr 30, 2020 · So I finished the W-T ground mod and was finally able to rule out the injection pump as my no start problem. Highly suggested doing the W-T ground wire mod. com/diy-24v-wiring-guide. This runs over to the passenger battery. that will show you what you need to know. The charge lead is typically removed from the front loom and the re-wired to the passenger side battery. 55 Toyo M-55 LT255/85R16 Brown's/Goerend 48RE triple disc DZ/Sonnax shafts/maxed count Alto clutches Mishimoto trans cooler Thuren XS coils/track bar Deaver leafs Carli arms/King 3. Jul 9, 2021 · It not about adding a ground but seperating the alternator charge lead AWAY from the ECM and VP44 ground which in the factory lay out the AC noise just bleeds over to the ground leads heading to the modules. Personally I solder everything together. Then run to the driver side battery instead. but i believe you keep the original large ground cable that goes to the frame to the driver side battery, you’re just relocating that ground to the timing cover along with the “crush spliced” ground that includes the vp44 and 47re stuff. Dec 7, 2018 · just google W-T ground mod. July 4, 2018 Oct 22, 2008 · Do I need the ground on the phone mounting bolt or the ground between the passenger side battery and air filter? 1998. does the W-T mod address the ecm ground by the starter? Apr 9, 2024 · there’s a mod you can do to these trucks titles “w-t ground mod”. do the complete mod, you'll be glad you did. The AC comes from a bad/failing/poor quality rectifier in the alternator. 0 Sumo bumps EMF joints PSC 6 bolt box/high psi pump/Borgeson shaft Synergy steering/Thuren King damper DC Power 180A alternator Northstar group 31 W-T ground mod ISSPRO EV2's TheRetroShop HID Jul 14, 2021 · What’s your tune look like? That turbo would work better with 7x. Jul 13, 2009 · If I remember correctly there are only three power wires and two grounds. Aug 1, 2017 · Ruled out VP44 failure by hot-wiring it with help from Doug at Blue Chip Diesel. This is why the W-T ground mod works because the alternator charge line is hooked to the passenger battery. Temperature is 60 degrees. 0 Sumo bumps EMF joints PSC 6 bolt box/high psi pump/Borgeson shaft Synergy steering/Thuren King damper DC Power 180A alternator Northstar group 31 W-T ground mod ISSPRO EV2's TheRetroShop HID Mar 30, 2020 · Might be a good time to do the W-T ground wire mod for the VP44. 17 posts; 0 Reputation; Lehigh Acres Fl; Eviltwisted1 Unpaid Member . 0 Sumo bumps EMF joints PSC 6 bolt box/high psi pump/Borgeson shaft Synergy steering/Thuren King damper DC Power 180A alternator Northstar group 31 W-T ground mod ISSPRO EV2's TheRetroShop HID Nov 16, 2010 · 2001. 0 Sumo bumps EMF joints PSC 6 bolt box/high psi pump/Borgeson shaft Synergy steering/Thuren King damper DC Power 180A alternator Northstar group 31 W-T ground mod ISSPRO EV2's TheRetroShop HID Sep 10, 2023 · 2001. Then the battery cables and a good engine ground. 0 Sumo bumps EMF joints PSC 6 bolt box/high psi pump/Borgeson shaft Synergy steering/Thuren King damper DC Power 180A alternator Northstar group 31 W-T ground mod ISSPRO EV2's TheRetroShop HID Dec 21, 2013 · 2001. Jan 20, 2016 · NOTE: W-T ground wire mod will make the AC noise much lower typical reading around 10mV AC to 20mV AC is Normal past about 40mV is a fail. Jun 9, 2022 · You could pick one up and keep it as a spare, or change it and keep the old one as a spare but those codes are definitely showing the VP44 is bad. Eviltwisted1. dripley. I verified that pin 6 was grounding, and pin 7 had power at the RU Oct 12, 2022 · I searched and all the threads I found about sourcing replacement VP44's were pretty old, so I thought I'd start a new one, so it has updated information. 8k posts; 4. Mar 2, 2024 · 2001. Troubleshooting vp44 pumps. I got the P1688 code (with companion codes) and need to replace the VP44. Unpaid Member . Apr 16, 2022 · 2001. 5/68/12 turbo, 175 hp injectors, 100hp hotrod vp44, edge comp box, and supporting mods, is that enough to get me to about 5-600 hp, is there something overkill or not enough about it? Aug 28, 2022 · It has a bunch of wires spliced together, oftentimes that splice isn't very good though. long list. Jul 15, 2020 · If the W-T ground wire mod was done which is typically why there is nothing to hook up. Then a ground wire from drivers side battery to same ground spot at vp44 with other wires. It eliminating the run past the alternator and many feet from the ground. 0 Sumo bumps EMF joints PSC 6 bolt box/high psi pump/Borgeson shaft Synergy steering/Thuren King damper DC Power 180A alternator Northstar . 2002, 2500 QCSB, Auto, 4x4,HX35/40 hybrid 62/67/12, 7x 10 DAP injectors set at 325 bar, ARP head studs, Nations alternator, 3rd gen brakes, Pac Break PBRX exhaust break, Timbrens, Dynamic valve body, single billet converter, lockup switch, W-T ground mod Sep 4, 2010 · Then W-T ground mod Edited July 5, 2018 6 yr by Mopar1973Man. all to the same spot on the timing cover. Mar 16, 2023 · i haven’t done this mod as it’s still on the long. Mar 16, 2018 · This photo shows the correct "HOLE" of where to apply ground for the VP44, ECM and the PDCnote the logical location It took a little research to find the size and proper thread-pitch. I followed the diagnostic from Bluechip Diesel and others to do some basic electrical testing at the VP harness. 0 Sumo bumps EMF joints PSC 6 bolt box/high psi pump/Borgeson shaft Synergy steering/Thuren King damper DC Power 180A alternator Northstar group 31 W-T ground mod ISSPRO EV2's TheRetroShop HID Nov 13, 2021 · So I'm mid way guess doing this and can understand he group of wires that get spliced into a larger gauge wire, those all get cut and put into a ring terminal at the suggested vp44 ground. To my knowledge there was a miscommunication during production of these trucks which led to a spliced ground containing the vp44 ground, ECM, pcm, and torque converter lockup ground to be run across the front of the engine in the same wire loom that contains the alternator charge lead wire, and finally grounding at the Oct 10, 2023 · 2001. The P0216 is the most common code for a bad VP44 and is known as the injection pump death code for these trucks. Now the ECM ground and VP44 ground is shortened and hooked to the gear case near May 29, 2022 · Hello, I'm new to the diesel world and just bought a 2002 24v cummins, my plans for it are a 64. . But it definitely should work better than what you’re saying. Retired Staff. 0 Sumo bumps EMF joints PSC 6 bolt box/high psi pump/Borgeson shaft Synergy steering/Thuren King damper DC Power 180A alternator Northstar group 31 W-T ground mod ISSPRO EV2's TheRetroShop HID Dec 31, 2021 · 2001. Dec 9, 2024 · The ground mods are fine, no problem, but may not solve anything. Jul 7, 2021 · Thank you! I worked through that diagnostic to find the resistance in the ground at the vp44. 2k Reputation; hickory nc; dripley Retired Staff. So the mod is to remove the crappy splice, create a new one. 010’s. Some standalone diagrams can be found on this site http://www. The wire from the back of the alternator goes to the passenger battery. texstarntx. Had my ECM repaired at AutoComputerSpecialist out of Florida. Video from this morning. AC is not cured by ground mods or noise limiter, although they may help if it is having lockup/unlock issues. Factory wiring is going to remain higher. The AC itself does not come from proximity induction, but some signal interference does. I did the relay mod from IBMOBILE article, also did the VP44 ground wire mod, as the ECM repair company listed low cranking voltage as part of the original ECM failure. I started taking things apart for the W-T mod but thought I might ask first. Sort of. I measured sensor on ECM sensor ground 4, sensor ground 11, Ground 30, APPS sensor ground 32, Ground 49. hope this helps. 0 Sumo bumps EMF joints PSC 6 bolt box/high psi pump/Borgeson shaft Synergy steering/Thuren King damper DC Power 180A alternator Northstar group 31 W-T ground mod ISSPRO EV2's TheRetroShop HID Jan 11, 2014 · 2001. 0 Sumo bumps EMF joints PSC 6 bolt box/high psi pump/Borgeson shaft Synergy steering/Thuren King damper DC Power 180A alternator Northstar group 31 W-T ground mod ISSPRO EV2's TheRetroShop HID May 24, 2016 · 2001. Jul 30, 2021 · 2001. 5 2500 4x4, fass 150, 5" straight pipe, edge comp, 62/65/14, head studs, dap 125hp, isspro guages, bhaf, sump tank mod, locker, built tranny, tc lockout switch, tgc level kit, synergie sway bar links, tgc control arms. html. Great company highly recommended. Also ohmed all VP44 harness to ECM, and Cam position Sensor to ECM one more time, all look good. The rest of the wires just go back where they supposed to go Feb 1, 2019 · All Activity; Home ; Cummins Turbo Diesels ; 2nd Generation Dodge 24 Valve Powertrain ; W-T ground mod Dec 27, 2024 · All grounds ohmed out sufficiently from ECM harness to ground. Especially since I have very limited experience with vehicle electrical systems. hsrr dljo ivxzb sxvsgul btsp czs xqrw lxtd bruo sfwntpcw dnpnie bjudf oriui djwrswyp yfzmuyua