Hummer H3 2006 and newer

www.amp-research.com 1/11 IM3221 rev 12.21.06 INSTALLATION GUIDE 1/11 APPLICATION M ODEL YR P ART # Hummer H3 2006 and newer 10-03221-10 TOOLS REQUIRED q Safety goggles q Measuring … … blade screwdriver q Right angle drill q 9/32″ drill bit q 17 mm socket q 15 mm socket q 10 mm socket q T 15 Torx driver q Ratchet wrench and extension q Pliers q Wire crimpers q Wire stripper / cutter q 3/16″ hex key wrench ( allen wrench ) q 4mm hex key wrench ( allen wrench ) q Electrical tape q Weather proof caulking ( silicone sealer ) …

www.amp-research.com 2/11 IM3221 rev 12.21.06 AMP RESEARCH POWER STEP – H3 Misalignment: The gap between board and vehicle cladding is too large toward rear of running board. The gap between board and vehicle cladding is too small toward rear of running board. The gap between board and vehicle cladding is too large toward front end of running board. The gap between board and vehicle cladding is too small toward front end of running board. Shim Correction: Shim rear mount at lower bolt. (diagram below) Shim rear mount at upper bolt. (diagram below) Shim front mount at lower bolt. (diagram below) Shim front mount at upper bolt. (diagram below) Shim Placement: Place shim(s) only where needed as indicated above in “Misalignment/ Shim Correction” chart. Rear mount – Upper bolt Rear mount – Lower bolt Front mount – Upper bolt Front mount – Lower bolt Passenger Side Shown ….. www.amp-research.com 5/11 IM3221 rev 12.21.06 AMP RESEARCH POWER STEP – H3 2 Unbolt emergency brake cable bracket. Cable needs to be on the outside of linkage assembly. Remove existing rock rails and steps from the vehicle. Mount motor linkage assembly to frame using supplied M10×30 flange bolts. Drive shaft should be facing front of vehicle. Tighten bolts hand tight. Repeat steps 3-7 on passengers side 3 7 Front of vehicle Mount idler linkage assembly to front mounts on frame using supplied M10×30 flange bolts. Tighten bolts hand tight. 7 7 Bolt up emergency brake cable bracket Torque bolts to 6ft-lbs(8N-m) 3 5.5″ To mount running board, slide T-nut into position (Align with mounting holes). 1 1 3 4 5 6

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