2003-2004 LB7 to LLY conversion service

$175.00 USD
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Convert your 03-04 LB7 to a 2004.5-2005 LLY!



If you have a 2003-2004 LB7, and want to no-fuss easily upgrade to a 2004.5-2005 LLY, it is as easy as sending us your LLY ECM.
For converting a 2003-2004 LB7 to a 2004.5-2005 LLY, all you have to do is unplug your LB7 engine wiring harnesses, plug in a factory 2004.5-2005 LLY harness, and swap to a 2004.5-2005 LLY ECM. You do NOT have to send any harnesses to us, all that is required for this particular swap (03-04 LB7 to 04.5-05 LLY) is custom ECM programming to correct the fuel gauge. If you use a stock LLY ECM calibration, the fuel gauge will read backwards.

NOTE: This is only a custom ECM programming service to correct the fuel gauge calibration. It does NOT include any wiring harnesses or other parts.

Please click the "Installation Guides" link on the top menu bar to download installation instructions in PDF format.

All BT DieselWorks-manufactured products are fully-warrantied for 1 year. Products from other manufacturers may or may not have specific warranties. See individual product descriptions for details. -------- All sales are final. Returns will be given as full price in store credit, or money refund plus 40% restocking fee.

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