Duramax 6.6L LBZ/LMM
DSP5 User Guide
- 13 -
www.efilive.com
5. Pop the rubber centre out of the
grommet. (It’s been a while since
the egt / boost install was done, but
it seems like I had to make a cut
into the rubber centre in order to
remove it from the “throttle cable”.
It already had a slit in it during this
install, but I don’t remember if I did
it earlier or not.)
6. Pull the grommet through the
firewall (into the engine bay) where
it is easier to feed the wire through
it. I had the pin soldered to the
wire, since I don’t have the proper
crimping tool. The crimping tabs on
the pin need to be trimmed down
and the solder can’t be very thick,
since the whole pin needs to fit
down a hole about the size of the
head of the pin.)
7. The grommet can be installed back
into the firewall after the wire is fed
through
8. Location of ECM.