HEX ezCAN PURE Installation Guide

Optional Plug & Play Input Harness - Royal Enfield 001

This is a step-by-step guide to installing an optional, model-specific HEX ezCAN PURE plug & play input harness on Royal Enfield Himalayan 450 models.

Royal Enfield 001 optional plug & play input harness packaging:

Optional plug & play harnesses are currently available for the following Royal Enfield motorcycles:

  • Himalayan 450 (All years)
  • 1x optional plug-&-play input harness for Royal Enfield Himalayan 450
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Step 1

Read the generic HEX ezCAN PURE Installation Guide

The generic HEX ezCAN PURE installation guide contains all the general procedures you need to install a HEX ezCAN PURE on your Royal Enfield Himalayan 450.

If you are planning to install an optional HEX plug-&-play input harness instead of the generic input harness included with the HEX ezCAN PURE, read the instructions below in conjunction with the generic HEX ezCAN PURE installation guide.

HEX ezCAN PURE Installation Guide

Step 2

Expose the Needed Connection Points

IMPORTANT: All disassembly and reassembly instructions on this page are to be regarded as a guide only. For detailed instructions, refer to your motorcycle’s service or workshop manual as appropriate.

Make sure all signal input connection points are easily accessible by doing the steps that follow:

  1. Remove the seat.
    • The battery is located under the front part of the seat (red arrow, right).
  1. The wiring harness connector for the tail light and rear turn signals is located under the rear portion of the seat, under the upper left subframe tube (yellow arrow, left).
    • The wiring harness connector for the tail light is a black 8-pin JWPF connector.
  1. The headlight connector is located on the rear right side of the headlight (red arrow, right). The connector can be accessed with no need to remove any components.
  1. Remove the right-side underseat trim panel (red arrow, left).
  2. Remove the fuel tank (green arrow, left).

Step 3

Decide the HEX ezCAN's Location

When installing a HEX ezCAN PURE on Royal Enfield Himalayan 450 models, we recommend that you install the main body of the HEX ezCAN underneath the seat, in the vicinity of the battery.

Our experience has shown that this placement gives the best combination of input connector placement, battery cable slack, ease of access to the USB port and status LED, and protection from damage.

Step 4

Connect the Optional Plug & Play Input Harness to the HEX ezCAN PURE

Connect the 6-pin male JWPF connector on the optional plug & play input harness to the HEX ezCAN PURE’s 6-pin female JWPF connector (below).

Step 5

Connect the Optional Plug & Play Harness to the Motorcycle

Note that the optional plug-&-play harness for the Himalayan 450 is a single item, and needs a specific installation sequence. Carefully follow all the steps below.

First, switch OFF the motorcycle’s ignition switch.

Next, connect the input connectors on the optional plug-&-play harness to the motorcycle as follows:

HIGH BEAM splitter (right):

  1. Disconnect the 4-pin headlight connector from the motorcycle’s headlight.
  2. Connect the female connector on the HEX high-beam splitter to the motorcycle’s headlight.
  3. Connect the male connector on the HEX high-beam splitter to the female wiring harness plug on the motorcycle.
  4. Carefully route the remainder of the plug-&-play harness back to the HEX ezCAN PURE along the existing wiring harness runs and frame tubes under the fuel tank.
  5. Route the horn splitter (green wire) down the front of the motorcycle, toward the horn.

TAIL LIGHT/TURN SIGNAL splitter (left):

  1. Disconnect the motorcycle’s black 8-pin JWPF connectors located under the rear portion of the seat, under the upper left subframe tube
  2. Connect the female JWPF connector on the tail light splitter to the male JWPF wiring harness plug on the motorcycle.
  3. Connect the male JWPF connector on the tail light splitter to the female JWPF wiring harness plug on the motorcycle.

HORN splitter:

  1. Switch the motorcycle’s ignition ON.
  2. Locate the factory horn.
  3. Touch your multimeter’s negative (black) probe to the Battery negative terminal.
  4. While pressing the horn button, touch the positive (red) probe to one of the horn’s terminals, then the other.
  5. Whenever the horn is active, there will be a voltage change on only one of the horn terminals. The terminal on which the voltage change happens is the terminal to which you must connect the HORN splitter.


IMPORTANT: The voltage change when the horn is activated could be from approximately 0V to approximately battery voltage, or from approximately battery voltage to approximately 0V.

For illustration purposes, the images below show a violet-coloured horn power wire. Note that the power wire identified on your motorcycle may have a different colour.

When you have identified the correct horn power terminal, connect the horn splitter as follows:

  1. Remove the power wire’s spade terminal from the factory horn (below).
  1. Connect the horn splitter’s male+female spade terminal to the exposed male terminal on the horn (below).
  1. Connect the disconnected female spade terminal to the exposed male terminal on the horn splitter (below).

Step 6

Reassemble the Motorcycle

The reassembly procedure is the reverse of disassembly.

Step 7

Set the Input Inversion and Threshold Voltage Values

To ensure that the HEX ezCAN PURE gives peak performance, adjust its control inputs as follows:

  1. Set the input inversion settings and threshold voltage values as seen in Step 2C of the HEX ezCAN PURE Software Download & Configuration Guide.
  2. If the threshold voltage values given in the page above do not give consistent performance, adjust the values as shown in the Additional configuration settings for HEX ezCAN PURE section of the HEX ezCAN User Manual (download the manual from here).

Step 8

Continue the Installation

Continue the HEX ezCAN PURE installation from step 8 of the HEX ezCAN PURE installation guide.

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