Results 1 to 2 of 2

Thread: 7730 USB disconnects

  1. 12-17-2017, 05:53 PM #1
    oldcrow
    oldcrow is offline Junior Member
    Join Date
    Dec 2015
    Posts
    2

    Default 7730 USB disconnects

    When I connect laptop to 7730 as soon as I crank engine it disconnects and gives usb failure. Then engine won’t rev up.
    I have changed cables
    Reply With Quote Reply With Quote
  2. 02-02-2018, 11:33 AM #2
    MSDTECH80 Guest

    Default

    You also tried different USB port on your computer?

    With the computer disconnected will the engine start up?
    Reply With Quote Reply With Quote

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  

Forum Rules

About us
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR® Sprint® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Headers, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.
Technical Support
Join us