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  1. A

    99 Tahoe fuel line pressure

    Right on that's what I was thinking it may be too. Have to wait for them to open tomorrow so I'll double check what line he installed originally. Thanks for the reply.
  2. A

    99 Tahoe fuel line pressure

    Hey all, I am curious if anyone knows what pressure the fuel lines are at coming directly out of the pump. I had to replace my fuel pump as it had finally burned up. When I dropped the tank I noticed the fuel line that feeds the engine (pump to filter) the braided line was super soft and...
  3. A

    HD Headlight Harnesses w/ 4 High Mod

    Thanks for the reply. Didn't mean to hijack the thread. Was curious if 5vortec7 would be willing to work with this setup or if it would even work with his harnesses lol. Still learning.
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    HD Headlight Harnesses w/ 4 High Mod

    Looking for 4hi harness and Big 3 for 99 Tahoe 5.7L. Do have a question though about what may be a factory inline circuit breaker/fuse. Truck came factory with a 140amp alternator and has a 175amp fuse? mounted on on the fan shroud. Venmo to 84096.
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    How to deal with previous tune

    Awesome thank you! I found Lextechs thread about it and sent him a PM as well. Do you know if I have to source my own 0411 ECM or would he or black bear performance be able to help with that as well?
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    How to deal with previous tune

    Thanks for the replies! I sent an email out to Hypertech to see what they say. I uploaded a few more pictures that you can hopefully see that it is fully tied into the PCM. The upper connector come from the harness to the module where it then goes to the PCM out of the connector on the bottom...
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    How to deal with previous tune

    Hey guys hope I'm in the right forum. First timer here so sorry if I'm not. I just bought a 97 Tahoe 4WD 4dr w/ 5.7 and 4l60e that has 224k miles. In the engine bay there is a Hypertech Power Module tied into the computer. Kid I bought it from didn't have the controller for it and didn't know...

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