4L60E range switch

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K5Rob

Member
Joined
Dec 1, 2024
Posts
39
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9
Location
Maine
First Name
Rob
Truck Year
1987
Truck Model
K5 Blazer
Engine Size
350
I am doing an LS swap in my K5 using an 04 LM7 and 4L60E out of a 2wd donor vehicle (all matching parts)

Following the pinout chart on LT1swap I have chased several wires back to the transmission range switch. The remaining wires are, I believe for the PRND cluster indicator, and hot and ground wires. I am not using the factory cluster, this will be emissions deleted and using a vss signal from the transfer case adapter (advanced adapters)

Is the transmission range plug necessary or can i continue by removing all the wires?
 

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