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Did your H3 come with the factory tow package? If not then I don't think it would have wiring for trailer brakes/lights at all. You'd need to install your own. If it did come with the tow package then there would be a set of 4 wires stubbed out underneath the dash and taped up, Red, Black...

If you don't have Monsoon then it will still be a 4 ohm impedance.

Look at Crutchfield, even if it's just to find out what should work with your setup and then look for deals elsewhere. The stock Monsoon speakers are 4 ohm impedance, so as long as you stick with that you'll be fine. There's a ton of options for that (Crutchfield lists 202 options just for the...

They are not since they never put the 5.3L in the Colorado/Canyon. The mounts are specific to the 5.3L. If the mounts are still fine and you're not getting excessive movement or vibrations/noise from them, then do not bother replacing them. Not only is it seemingly impossible to find the LH...

Did you try drawing a vacuum again after it leaked out to see if it still holds? If it is holding a vacuum but not pressure then you have a seal that either is failed in a way that will keep a vacuum but once pressurized will open up, or someone didn't use a reinforced o-ring where they should...

5.3L, cammed. Man I wish I had a post lift.

Unfortunately the LH (Driver) mount has been discontinued for a while, and from what I have seen, everyone's supplies of it have run dry. You can still get the RH (passenger) mount though, though it is NOT cheap. Nearly $300 for the mount. Best that could be done at this point if your LH...

Rebuild shouldn't cost a bunch, the GM 10 bolts are extremely common so parts are plentiful and inexpensive. I think when I had my ARB put in with new gears after grenading the spider gears, it only cost me a few hundred in labor, mostly because I pulled the axle out and brought it to the shop...

General Grabber X3. Not sure how many miles I have on them exactly, but have had them on a few years now and they're still wearing great. Great on and off road, and haven't had much issue with them in our northern Utah winters.

Fox 2.0 front and rear. No problems after nearly 6 years and 60k miles or something close to that

I should replace mine this year while it's down for a teardown and refresh. Sooo many broken things...

Old Man Emu all the way. No point going with a stock replacement that costs just as much or more. You might be able to source a used pack from a recycler, but you're best off going with brand new. Some people have gone to spring shops but it's really hit or miss it seems.

https://schwarttzy.com/h3-hummer/ He has links to PDF's down at the bottom of the page. 2006, 2007, and 2008 wiring diagrams are there and they are complete and showing wire color codes and pin positions on the connectors. I'm not aware of any wiring changes for the 3.5/3.7 between the model years.

Do NOT go with the Moog. As nice as Moog can be, the upper arms have a problem from them. Instead of a cast inner bushing flange like OEM, they use a mild/mid hardness sheet steel (more or less). The problem with that is if you look at the OEM flange it has a number of dimples that serve the...

I don't think I would get too hung up on getting that exact part number. There's plenty of a previous part number that should function just fine: https://www.ebay.com/sch/i.html?_from=R40&_nkw=24236867+module&_sacat=0&LH_TitleDesc=1&_sop=15 Why do you need a new TCCM anyway?

Looks fun! Sorry I missed this year, but I'm hoping to get the Alpha refurbished this year so that I can make the next trip.

Sorry to hear that, but I understand. I still plan on never getting rid of the H3, but I also have the luxury of having space to store it and plenty of ability to keep it going. If something better comes along that can actually compete with the H3 then maybe, but I haven't found anything yet...

This, or an Ultragauge. The computer knows what the actual temperature is, the gauge on the dash is just to give the average person a general idea of how hot the coolant is. None of the gauges, save maybe the tachometer, will give you an accurate reading. Even the speedometer can be off...

Went looking for motor mounts for my Alpha (not sure I need them, but they have also never been replaced) and all I can seem to find are GM and they want over $200 for just one. Anyone know of another source?