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  1. D

    Lb7 to lly swap

    @chevy1925 thank you for your help .. One more question maybe you can answer ...the connector to the harness on top of the motor (bay connector?) I am missing the plug on my LLY motor it's just the wires with all the pins sitting there can I un pin the connector on my lb7 and re pin it for the...
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    Lb7 to lly swap

    Can someone send me a picture of how the ficm is supposed to be mounted on the LLY ... Also does anyone know if the front plate that holds the alternator and tensioner pulleys off of a LB7 will work on the LLY? Is it the same? Sent from my iPhone using Tapatalk
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    Cluster problems

    @aklbz I'm am in the middle of a lb7 LLY swap in an 03 do you know where I can get the main harness that runs to the big fuse box ? Or specifically what that harness is called ? I'm having trouble finding one Sent from my iPhone using Tapatalk
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    Confusion caused by ECM replacement, and, LLY in LB7 transplant

    I'm being told the main harness that runs to under the fuse box needs to be changed to one out off a LLY but I can't find one any where ... Any suggestions? Sent from my iPhone using Tapatalk
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    Lb7 to lly swap

    @dkatubi06 I am also in the middle of the lb7 to LLY swap but can not find the main harness that runs to fuse box .. If you find them let me know where Sent from my iPhone using Tapatalk
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    Confusion caused by ECM replacement, and, LLY in LB7 transplant

    I'm in the middle of swapping a LLY into my 03 but havnt bought any electronics yet can any one help me on exactly what I need to buy... Like on this post are you saying I need to find a ECM off of a truck that's the same as mine as far as 4x4 single tank single rear wheels and 2500hd Silverado...
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    Cluster problems

    Soapyjr did you do the swap yourself? I'm fixing to start putting a LLY in my 03 and have a few questions Sent from my iPhone using Tapatalk
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    LLY swap

    They claim it comes with the small engine harness I won't know until it gets here Sent from my iPhone using Tapatalk
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    LLY swap

    I am in the middle of a lb7 to LLY swap on a 03, lb7 is pulled out of the truck the lly is being shipped but isn't coming with any electronics. so what exactly do I need to buy? A LLY ECU and FICM and a NSBU....what else?
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    Lb7 to lly swap

    can anyone link me to a post about doing the complete lb7 to lly swap in a 03, I need to know exactly what I need to buy and do
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