S&S Cycle 49-State Certified X-Wedge Engines User Manual
Page 10
10
18- Connect the ground wire from the S&S® closed loop sub-harness to a suitable chassis ground. See Picture 17.
Knock Control
The knock sensor comes installed on the rear cylinder head of the engine. This mounting location is critical for the operation of the system and it
cannot be relocated.
Included with the engine is a knock sensor wiring harness to connect the knock sensor to the ECU. To install this harness follow the steps below.
Knock Sensor Wiring Harness Installation
1- Connect the black, plastic connector of knock sensor wiring harness to the knock sensor to determine the harness length available to route to
the Engine Control Unit (ECU).
2- Route the harness so that the exposed terminals of the knock sensor wiring harness are near the gray, 36-terminal ECU connector.
3- Verify that there is enough slack in the harness to allow for engine movement. Also be sure that the harness is secured with the supplied wire
ties so that it is not touching any hot or moving parts of the engine.
4- Remove the socket plugs in terminal positions #16 and #34 of the 36-position ECU connector. See Picture 18.
5- Insert the white wire into position #34. Next, insert the white wire with the blue stripe into position #16. See Picture 19.
Picture 17
Picture 18
Picture 19
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