LS2 to LS1 Throttle Harness Adaptor

GM 90mm Throttle (Electronic Throttle)

Part# 108115

Caspers Electronics Inc. - Direct

Purpose: Use of LS2 (90mm) throttle on a LS1 (6) Computer controlled car

Time: n/a

Price: $47.95 US

Shipping: 26.15US – USPS expedite

Duty: none

Brokerage: none

GST: none

TOTAL: $83.60 CAN

Contact: John Spina

With this harness, it will allow the use of a LS2 throttle body on an LS1 vehicle. This harness is comprised of OEM connectors, terminals, locks, and seals to allow complete plug and play installation and adaptation. All wire is high temperature automotive spec as well as stock appearing split loom tubing.

The connector on the bottom left is for the LS1 throttle position sensor, the upper middle controls the throttle and idle (actuator of the flap) and the left is the new LS2 plug all in one.

There is a manual method shown below.

Throttle Body Motor

Pin A - Brown wire
Pin B - Yellow wire

TPS

Pin C -Yellow and Green
Pin D-Blue
Pin E-Purple & White
Pin F-Pink

PIN ID LS2 90mm
A.) ACT2
B.) ACT1
C.) +5v TPS Reference – Common to both TPS’s
D.) TP1 Signal 0-5v
E.) Common Ground
F.) TP2 Signal 5-0v

End