AMP RESEARCH POWER STEP – GMC / CHEVROLET
Steps 1-3 for Heavy Duty Trucks
only! For all other vehicles skip
to Step 4.
HD - Short Bed: Remove forward most brake
cable guide.
HD - Long Bed: Remove first and third brake
cable guide.
6
Install replacement brake cable guides.
6
7
HD - Long Bed: Install plastic brake cable guide
in forward hole of rear body mount.
SILL DRAIN
8
Rear linkage assembly. Template position for
Tahoe and Yukon shown in hidden lines.
Clamp drill template about 1/16” forward of the
rearmost sill drain.
Tahoe and Yukon: Clamp Template 1/8”
behind second rearmost sill drain.
8
With drill template secured with vise grips,
drill 1/8” starter holes. Remove template and
drill holes to 21/64”.
8
MOUNTING TAB
SILL DRAIN
FOR SUV
Front linkage assembly. Template position for
SUV driver side shown in hidden lines.
Clamp drill template to pinch weld about 1/8”
behind the forward most mounting tab.
Then repeat Step 5.
SUV’s: On driver side only, clamp template
1/8” in front of forward most mounting tab.
1
3 4
5
6
2
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INSTALLATION GUIDE
IM75113 rev 04.28.11