LS Wiring Harness
11
Both ways of wiring this output are described in the following diagrams:
There are some relays with a built-in diode, like Hella 003437101.
7.8 Electronic throttle body (Drive-by-wire)
The LS harness also has plug and play connections for the OEM
electronic throttle body and pedal. The connections are:
Electronic throttle body
A Motor 1 – Yellow #4
B Motor 2 – Yellow #3
C 5V supply – Green/red
D TPS #2 – White #10
E Signal ground – Black
F TPS #1 – White #11
Electronic pedal
A Signal ground – Black
B Pedal #1 – White #3
C 5V supply – Green/red
D 5V supply – Green/red
E Pedal #2 – White #1
F Signal ground – Black
LS2 90mm - GM #12570790
LS7 90mm - GM #12605109
LSA/LS9 88mm - GM #12629992
Pedal – 2005 to 2013 Corvette Style – GM 25835421
7.9 Signal Outputs to stock ECU
The LS Harness has a output connector that shares the signal from the
sensors between the FT500 and the stock ECU, the mating connector
to wire to the stock ECU is sold separately.
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