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ccga3359 12-12-2010 04:33 PM

Install of power steps on an '05 quad cab
I recently installed AMP Research powers steps. they cost about $1300 Cdn (from National4wd in Burlington) and with receipt and one box top will get a free bumper step (or bed extender) through AMP Reaserch.

The install by the instruction is 3 hours and difficulty of 4/4. It took me about 4-5 hours and it was cold out and I was in no hurry. The most difficult part for me was removing my instrument cluster.

AMP Research's step kit includes everything needed including LED lights. My kit is for the quad cab and mega cab 2002-2008. The light wiring is part of the wiring harness for the power step so I assume that the lights weren't included when these steps first came out. The steps tuck up nicely under the vehicle when stowed and when deployed make a comfortable step up in a stock height 4x4. The step is less than halfway (10") than the floor height of 24", so even with a mild lift it'll still be comfortable. AMP R. does offer extend arms of an additional 2".

The instruction were alright using mainly pictograms. Being for both quad and mega cab I roughly followed dimensions on light placement. A couple of pics before we get any further:

Steps installed and retracted - hidden;

Steps deployed;

Bracket arms were pretty easy to install using existing holes for the main blots and by drilling two holes per bracket for pop rivets. A right angle drill would be useful or these holes or a compact drill as you have about 8" clearance between frame and door sill. I didn't drill or rivet yet, I'll see how it holds up, checking bollts periodically. I don't want to invite rust if I can avoid it. Using the existing holes per the instruction it seems that the brackets are not in the optimal position asthetically or dirctly under foot when climbing into the back. Small price to pay for not having to drill those holes.

The wiring harness is top notch and correctly laid out with just enough length. The powered arms are mounted forward with unpowered arms aft. Four wires must run into the cab through the firewall. This is my only complaint with this product. The instructions show a simple pictograph of where the wires enter the cab underneath the vehicle. It was hard to decipher but seemed to shoe it going through the steering column boot. It seem a difficult place to access so I looked around for a better point, even if I had to drill. As luck would have it I found a rubber firewall plug to the 10 o'clock position of the brake master cylinder (see pic). Fantastic location as it brings the wires in above the accelerator pedel where it will go in behind the instrument cluster. I'm going to use this plug later should I mount an external gps antenae or other electrics.

The hardest part of the install was getting the instrument cluster out, there just didn't have the room until I finally figured out how to unplug the 3 harnesses at the back. I had to tap into four wires in the back of the middle harness. They are for the "door ajar" idiot light. I had to identify 4 of the six violet wires on the oem harness but it was without difficult. I use the supplied power taps (first time using them and much nicer than thiose old blue power taps. It might've been posible to follow this harness down and tap in lower (and not mess with the cluster) but this way I was sure to get the right wires and there is room behind the gauges.

the rest of the harness was easy the controller and two wires in the the engine compartment (positive right to the battery, the the negative to chassis close by). Also an inline fuse. Then route the wires down avoiding moving parts ar heat scources.

Plug the wires into the motors then two pig tails either side for the lights. Again I differed from the instructions to position the light where feet would step. The lights require drilling through spot welds on the bottom body seem and crimping. Job done.

The lights;

I really love these steps, they comfortable, wide (6") and again in an appropriate location. They fully hide when retracted (I'm not keen on the look of steps), extend fast enough to be there when you want it. They only extend when one of the doors on that side are opened (all four lights light up regardless of what door is opened). They are also presuure sensitive, put some weight on the step as you cliose the door and it won't retract.

Time will tell if they last through our Canadian winters with slush build up, salt and the like. But after one day, at this time, I highly recommend them. Just cant wait for my bumper step (which, originally, is the only item I was going to buy - oops)

erm 12-12-2010 05:35 PM

Good looking mod! You'll just have to try and keep the swing arms cleaned from time to time so they don't freeze up.

CdnoilRAM 12-12-2010 10:05 PM

Great mod and write up :rep:

saunders1986 12-12-2010 11:56 PM

i want these so bad... great write up, im just gonna pay someone to install mine... wires freak me out a little.

ccga3359 12-13-2010 02:20 AM


Originally Posted by saunders1986 (Post 380243)
i want these so bad... great write up, im just gonna pay someone to install mine... wires freak me out a little.

Nothing is overly difficult on the install. The four wires that you have to connect behind/under the dash were coloured the same as the factory wires, violet/yellow to violet/yellow, violet/grey to violet/grey and so on. The posi-taps were a dream to use. The lights is crimping red to red and black to black. The hardest part was unplugging the harnesses on the back of the gauge cluster, then plugging them back in (just so little room there). Once I had the cluster out I had plenty of room to work. Just remove your negative battery terminal before starting any work and you'll do fine this is something I tend to do if work is a little more involved than changing wiper blades. There's a certain satisfaction in doing a mod yourself plus the money you'd save having someone else do could pay for the next mod. It is minimum about a 3 hour install. Now is a good time to buy because the manufacturer is offering through their dealers the free bed step or bed extender but only until Decembre 31st. I notice that you're on the Rock, National4WD is a Canadian distributor of these, the steps came in in about a week. As long as your receipt is dated befor the end of the year you can mail all the info before January 31st to still be eligible I believe. Adn by my research this is one product that is the same price as down you'd pay in the States.

ccga3359 12-13-2010 02:34 AM


Originally Posted by MADDOG (Post 379917)
Good looking mod! You'll just have to try and keep the swing arms cleaned from time to time so they don't freeze up.

I'll be sure to spray WD40 onthe hinges at least during the winter, perhaps even to the underside to prevent ice build up.

volcom54626 12-13-2010 12:27 PM

Great write up! Glad you like them!! I can't image my truck without mine now, they are so nice.

ScatPak07 12-13-2010 09:44 PM

Those look really good man! Nice write up and pics! Yea it will be the ultimate test through the winter, if it lasts then they are a good buy for sure

Ram Nut 12-13-2010 10:26 PM

I hope you post your results through/after the winter. I'd also love to see a clear(er) pic of what they look like tucked up inside. If my family member accidentally got a limb stuck in there when it was retracting, it is sensitive enough not to inflict pain? Is there draining surfaces in the step, or is it a non-slip surface?

Fantastic mod, and I am glad you shared such a detailed description. Added to my bucket list of future mods for sure!

ccga3359 12-13-2010 11:42 PM

Well we had some snow in my part of Ontario, had some ice stick to it. Unfortunately the camera didn't work tonight so no pictures.

AMP's pic does show a good representation where the sit retracted (right behind the front wheels so you know where the ice will build up). Having said that, they feel and look like they might be teflon coated. I put it in 4x4 and with all the crap I kicked up today it didn't build up like I expected it to. When stowed you can't see them at all. The aluminum steps have a textured coating on them and are non slip, so far I've every confidence in that. there are no drain holes on the steps that i saw butwhen retracted they are angled down from the outside in.

I would estimate that it takes about 20lbs to stop them retracting. Just for you, I let my Croc covered foot to ride up on the step and to jam it stoped. It was not painful but was uncomfortable and I couldn't pull my foot out. I think the pressure would be enough to scare a small child and a 45 year old that wasn't expecting it. That being said I'd be more concerned with the child getting caught in the closing door than the closing step.

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