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  1. MolonLabe420

    LB7: Think Im in Limp Mode

    So I finally had the chance to work on the truck the other day... I pulled off every single ground wire I could find and cleaned them up so everything has good contact, I even made a few jumpers all over the truck for extra piece of mind. I also completely rewired the lift pump with brand new...
  2. MolonLabe420

    LB7: Think Im in Limp Mode

    I was referring to the ground wire that is for the lift pump. The old lift pump was bolted to the frame and the ground was bolted to the pump itself and it always worked with no problems. When I got the new lift pump I did the same thing with the same wire and it was working for about 4 miles...
  3. MolonLabe420

    LB7: Think Im in Limp Mode

    Thanks for the reassurance! It never downshifted twice like that before, even while hauling heavier loads on steeper hills. I keep having electrical problems now... Lift pump won't turn on and the dash gauges are going crazy as soon as I turn the key. I already moved the ground wire to a...
  4. MolonLabe420

    LB7: Think Im in Limp Mode

    Yea it was it in tow mode
  5. MolonLabe420

    LB7: Think Im in Limp Mode

    The hesitation hiccups seem to be getting less and less as I drive, but the trans is acting weird now too. Yesterday I was going down a slight hill and when I touched the brakes it downshifted a gear, like normal... but then it downshifted another gear right away and sent the RPMs screaming up...
  6. MolonLabe420

    LB7: Think Im in Limp Mode

    I assumed the air would be purged on its own. The hesitation isn't crazy but slightly noticeable. I definitely made sure there was no air/fuel leaks. How long do you think it will take the trans to "relearn" what it needs too?
  7. MolonLabe420

    LB7: Think Im in Limp Mode

    So this weekend I installed the new Raptor 150, Baldwin water separator (with a hand-made mount for the housing) and a CAT fuel filter on the engine..... No more Limp Home Mode and the truck feels to have a little more power. Although it also seem to have a slight hiccup while accelerating...
  8. MolonLabe420

    LB7: Think Im in Limp Mode

    I didn't uninstall the Edge tuner and try it. I will do that if nothing changes after I install the new lift pump, water separator, CAT filter and reconnect the batteries. I usually drive in tow mode so that the trans stays in current gear a little longer while accelerating and so that it...
  9. MolonLabe420

    LB7: Think Im in Limp Mode

    I haven't. I don't have a way to connect the lines to each other. I was just looking under the truck and the fuel line that goes from the tank to the Raptor looks factory and its dry rotted and it feels very weak... I read someone else's post about the fuel line collapsing. Maybe that...
  10. MolonLabe420

    LB7: Think Im in Limp Mode

    I have an Edge tuner and I've never had it on anything besides the #1 setting (Fuel Economy). I've read a lot of other posts where others were in limp mode with no engine codes, what's the deal with that? I haven't tried to disconnect the batteries and see if it fixes itself yet... but I know...
  11. MolonLabe420

    LB7: Think Im in Limp Mode

    Hey guys, I think my lift pump (Raptor 100) died... I was driving down the flat highway cruising at 70. It felt like it was losing power so I gave it more throttle and it still felt like it was slowing down. The trans tried to downshift into 4th once I was down to 50ish but it just kept...
  12. MolonLabe420

    New guy from Wa.

    Welcome to the site. There's lots to learn in the shadows. Nice truck! Sent from my SM-G900P using Tapatalk
  13. MolonLabe420

    LB7: High idle switch

    I don't really want to send it back, I like the 6 position idea. I'm not ever going to forget to turn it off so I don't need the brake to do it for me. I just want to it hooked up correct. If going thru the brake will work then that's cool, I just need to know from someone that's done it with...
  14. MolonLabe420

    LB7: High idle switch

    It's from GDPTuning.com The switch seems pretty nice. It's got their logo on the circuit board and the ends of the wires already have the GM pins crimped on... Looks legit. I'm confused now though.
  15. MolonLabe420

    LB7: High idle switch

    Thanks. From my research, that seems correct. I did however, get a call back from anotherrr guy from the company and he said the blue wire goes in the grey connector, pin 6 and the pink wire goes to the black connector, pin 12.... Can anybody confirm what those pins go to, and know if that...
  16. MolonLabe420

    LB7: High idle switch

    Sooo the blue wire goes in #71 and the pink goes to F on the brake? Pink and blue get twisted together because they're both High Idle? You kind of didn't add any info that wasn't stated lol....
  17. MolonLabe420

    LB7: High idle switch

    Has anybody wired in a 6 position DSP5 switch with high idle? It has 4 wires - Black, Purple, Blue, Pink. Only one labeled is Blue "High Idle". Instructions say: Black wire = Blue connector, pin 49 Purple wire = Blue connector, pin 69 AND THATS IT... Customer service transferred me to 2...
  18. MolonLabe420

    2003 Gmc 2500hd

    MolonLabe420 submitted a new Showcase Item: 2003 Gmc 2500hd Read more about this showcase item here...
  19. 2003 Gmc 2500hd

    2003 Gmc 2500hd

    I love my truck
  20. MolonLabe420

    EFILive Not sure if my AutoCal will work....

    Mounting the switch without the number plate doesn't do anything, you still crank it to the right like a volume knob ... I don't want to hide it either, I just want it the way I want it. Sorry for being TOOO picky for some of yous, I just like things the way I want them.
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