36 Mini Maxx Installation Manual • www.hsperformance.com
FUSE NUMBER 30
Always tap into the cold side of the fuse. On the
2007.5 - 2009 6.7L Cummins, the cold side is towards
the drivers side of the vehicle.
NOTE: If your fuse box or wiring looks dierent than those pictured
or if you are not getting 12V ignition power from the pictured source,
you may need to nd another 12V keyed ignition source using a test
light or multimeter. If possible, nd one that stays hot during engine cranking.
Pyrometer (EGT) Location:
If you are installing an optional H&S pyrometer kit on your 6.7L Cummins, you have the op-
tion of installing it pre-turbo or post-turbo (or both if you purchased an additional thermo-
couple).
For the most accurate EGT readings, we recommend installing the pyrometer pre-turbo
where all runners collect on the exhaust manifold as seen below:
NOTE: Some exhaust manifolds have a divider down the center of the
collector so it’s generally not a good idea to drill right in the center, shift
to either side 1/4” and drill there.
For those wanting to install the pyrometer post-turbo, we usually recommend doing so in
the cast elbow connected to the turbo as seen below:
NOTE: Post-turbo EGT readings can be up to 400 degrees cooler than
pre-turbo EGT readings. Keep that in mind when monitoring your EGTs
with a post-turbo pyrometer.
**Pre-turbo mount is recommended.
Overdrive Transmission Software
Did you know that your H&S tuning device also has the capability of tuning your transmission? If
your 6.7L Cummins is equipped with the 68RFE automatic transmission, you may want to check
out our Overdrive Transmission Software. Custom tailored to mate with H&S engine tuning, the
6.7L Overdrive software includes boosted line pressures, modied full and part throttle torque
Dodge Pre-Turbo Mount
Dodge Post-Turbo Mount
2007.5 - 2009 6.7L Dodge Cummins Specic Features Continued >>
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