Relay will only be on when mph is below set point, Page 12 of 17, 12 volt key-on power – Lingenfelter L460105297 Lingenfelter LNC-003 Dual RPM Launch Controller v2.7 User Manual

Page 13

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Page 12 of 17

In this configuration, the STOV-002 is being used to only allow a 2-step controller to be active

at the line. Once the vehicle is moving, the STOV-002 switches the relay, disabling the 2-step

controller. Set the MPH switch point to a speed below your first gear shift point.

1 - Locate CPP (Clutch Position Switch) and unplug 2-wire connector.

2 - Cut wires appox. 3" back from connector.

3 - Find +12 volt Key On power source and connect to one wire of CPP connector.

4 - Splice two wires onto remaining CPP connector wire and connect one wire to #85 on Relay.

The extra wire will be used for LNC-003 Launch Controller activation.

5 - Connect terminal #86 on Relay to Ground.

6 - Connect wires cut from CPP Switch connector to Terminals #30 and #87 as shown.

1998-2002 F-Body and 1997-2008 Corvette Factory Clutch Switch

Diagram with the STOV-002 and LNC-003 Modules

Wire color illustrated is
for 1999 TransAm

85

86

30

87a

87

2

4

Ground

5

General purpose
Automotive Relay.
5 to 40 Amp

6

3

0

1

3

5

6

7

2

4

8 9

A

B

C

D

E

F

0

1

3

5

6

7

2

4

8

9

A

B

C

D E

F

Power

STOV-002

Speed to Voltage

Ground - Black

Stage Out / Norm On - Gray

Activation Out / Norm Off - Green

PPM Signal Input - White

Convertor

Function Selection

Range Selection

+12V Switched Power - Red

Voltage Out - Yellow

85

86

30

87a

87

+12 Volt

Key-On Power

Gr

ound

0-5

Volt output based on

MPH, .02

Volts per MPH

LNC-003 or LNC-2000

+12V Activation

Normally ON Output, ON

when MPH is below set

point. OFF when MPH

exceeds set point.

Normally OFF Output, OFF when

MPH is below set point. On when

MPH exceeds set point.

Connect to Pulse Per Mile

signal from PCM

+12 Volt Key-On Power

Relay will ONLY be ON

when MPH is below

set point.

1

Secondary

RPM

x1000

x100

Orange = +12V Secondary
RPM Activation

LNC-003

Dual RPM Launch Controller

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