Lingenfelter L460190108 Lingenfelter CTAP-001 Clutch & Throttle Activation Position Switch v1.7 - Manual (Page 6)

Page 5.
Notes and Warnings:
• Changes to the Clutch/Throttle activation percentage settings must be done with the
ignition off.
• The switch positions are only read on power up of the CTAP.
• Make sure that the CTAP and all connected wires will not interfere with the operation of the pedals (gas,
brake, and clutch).
• Do NOT mount the CTAP-001 directly on top of the engine or near the exhaust manifolds due to heat concerns.
• Do NOT mount the CTAP-001 in the line of site of high temperature objects such as exhaust manifolds, turbine
housings etc. If needed, put a heat shield in between the heat source and the module to protect the plastic case.
• Do NOT install within 6” of nitrous solenoids or other devices with strong magnetic fields.
• Do NOT install near the spark plugs or the spark plug wires (or other potential strong sources of electrical noise).
• LPE recommends the use of resistor type spark plugs and RFI (radio frequency interference) and EMI
(electromagnetic interference) suppression spark plug wires on all EFI engines and any vehicle that has electronic
control modules on board (including the CTAP-001). Failure to do so may result in erratic operation of electronic
devices including the CTAP-001.
• It is important to note that the throttle on an electronic throttle body is usually not fully closed with the vehicle keyed on
and the engine off. Because of this, the 0%-99% setting on the CTAP may not match the 0%-99% value displayed on
the scan tool.
• While every effort has been made by LPE to test the CTAP-001 on a variety of vehicles, we can not guarantee
that this module will work with every electronic throttle currently in use. If this module causes the ECM to
set a code or causes any other engine operation issues, disconnect and discontinue the use of this module
IMMEDIATELY.
Throttle versus pedal position signal:
· Electronic throttle equipped vehicles have a position sensor on the accelerator pedal (referred to in these instructions
as the Accelerator Pedal Position (APP) sensor) and also have a position sensor on the throttle blade at the engine
itself (referred to in these instructions as the Throttle Position Sensor (TPS)).
· When using the CTAP as a wide open throttle (WOT) switch in order to provide a safety shut-off for nitrous oxide
injection and other similar systems, we generally recommend that you connect to the throttle (TPS) in order to get the
signal. The reason for this is that under some conditions the engine control module (ECM) may close the throttle even
though you have the accelerator pedal fully depressed. This can occur during a gear change, if an over-rev condition
occurs or if traction control is activated. If this happens and you are using the accelerator pedal sensor signal, the
nitrous will not turn off even though the throttle is actually closed.
· When connecting to the throttle position signal on the 2005-2013 Corvette, 2010-2014 Camaro SS, 2012-2014 ZL1
Camaro, 2006-2007 CTS-V, 2009-2014 CTS-V, 2005-2006 GTO, 2007 and newer full size trucks and most other GM
Gen IV V8 engine equipped vehicles, LPE offers a plug and play harness that already has a wire tapped into the TPS
signal so that you do not have to cut into your stock wiring harness. This harness is LPE part # CE105454.
· On some engines, primarily newer 4 cylinder and 6 cylinder engines, the throttle may not open fully at low RPM even
though the accelerator pedal is fully depressed. In these applications you may have to use the accelerator pedal
position signal or accept activation not occurring until the RPM reaches a certain level.
Installation on 2008+ Corvette, 2010+ Camaro SS, or 2009+ CTS-V clutch position sensor:
· The clutch pedal position sensor on the 2008+ Corvette, 2010+ Camaro, and 2009+ CTS-V is found in the clutch
pedal assembly in the footwell of the driver side of the vehicle.
· See pages 6-7 for images showing the location of the clutch position sensor in the clutch pedal assembly and for the
connector wiring information.
· The purple analog input wire from the CTAP-001 needs to tie into the sensor signal wire on pin B of the clutch pedal
position sensor connector (dark blue on the Corvette, yellow on the Camaro, and light green or tan on the CTS-V).
· You can also install the LPE Plug and Play Harness (PN: L480370108), which is specifically designed for the 2008+
Corvette, 2010+ Camaro, and the 2009+ CTS-V. This harness allows you to acquire the clutch position signal voltage
without modifying any of the vehicle’s existing wiring.