19 November 2008
BD X-Monitor 2 #
1080500
25
BD Engine Brake Inc
A10 – 33733 King Rd, Abbotsford, BC, Canada V2S 7M9
Ship: #88 – 446 Harrison St, Sumas, WA 98295 Mail: PO Box 231, Sumas, WA 98295
Ph: 604.853.6096 Fax: 604.853.8749 Internet: www.bd-power.com
Duramax 2001-06
1. Find the lead wire. This is a 2-wire harness with an orange and black wire. The
larger connector needs to be connected to the thermocouple.
2. Route the lead wire across the engine bay to the driver’s side. Tie the lead wire out
of the way of any moving or hot parts to avoid damage to the wires.
3. On the driver’s side firewall, there is a rubber plug. Cut a slit in the outer portion of
the plug to route the small connector and wire into the cab.
4. Plug the small 2-wire plug into the corresponding plug on the cable harness.
5. Lay wiring harness #1 out on your engine. The green plug will go inside the cabin
using the same location you routed the
lead wire through.
Locate the main engine plugs. These
are located on the driver’s side of the
engine, directly above the valve cover.
There are 2 large connectors stacked
on top of each other. You are looking
for the smaller plug that is on the top.
This is a 24-pin connector. Connect
the supplied wire tap to pin “C8”. This
should be a light green wire located in
the top row of wires and nearest to the
firewall.
6. Connect the blue wire from your X2 to
the blue wire tap.
If you have an aftermarket transmission pan you may now install the 1/8” NPT
sensor into the oil pan fitting. On factory transmission there is also a test port
located on the bottom and towards the front of the transmission. You may desire to
get the proper “AN” fitting to take a reading at this location, but it is not
recommended due to the fact that the sensor could be damaged from protruding
too low off of the transmission. We recommend using the 1/8” NPT probe to
measure oil temperature on the Duramax engines.
7. Find the 3/8” x 1/8” NPT bushing included with your kit.
8. Using Teflon tape, install the temperature probe into the bushing.
