The only suspension enhancement option available for a 2010 Hummer H3T with aftermarket lift is the TorkLift StableLoad Rear Suspension Upgrade part # TLA7311 which is designed for factory leaf spring packs. The Air Lift Ride Control Air Helper Springs part # AL59563 will not work for lifted applictions as there is no spacer for this smaller type of air spring. The Air Lift Spring Spacers for LoadLifter Air Helper Springs part # AL52420 won't work. view full answer...
I checked with Timbren and was able to confirm that the Front Suspension Enhancement System # TGMFC4 referenced in your question is a fit for your 2009 Hummer H3T.
These jounce-style springs will replace the bump stops at the front of your Hummer and feature a 14,000 pound weight capacity. I have attached a short video demonstration that you can also check out. view full answer...
If you do not have a connector at the rear of your 2009 Hummer H3T, I recommend the Draw-Tite Custom Fit Wiring, part # 18252.
This harness comes with a circuit tester to help locate the wires you need to tap in to.
If you need a 7-way connector on the back of your H3T, you will need an installation kit like part # ETBC7. This will attach to the 4-way connector and with additional wiring give you a 4-way and a 7-way connector at the back of your Hummer.
If you need a brake controller,... view full answer...
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