***Update for New Version Installation Guide for 07-10 Toyota Tundra Fog lights***
Please check out the new installation guide for the new version of 07-10 Toyota Tundra Fog lights:
07-10 Toyota Tundra Fog Lights Plug & Play Instruction Guide
For our hottest product 07-09 Toyota Tundra Fog Lights (have chrome and smoke available), customers always acquire about the installation guide. Recently, when I go to Tundra Solution Forum, I found a very useful installation guide from the member MANGO with the thorough installation guide of this 2007-2009 Toyota Tundra Fog Lights. On the other hand, I also find another installation guide for the OEM fog lights from Tundra Solution Forum by mhadden. I will quote both of their post in here and do a comparison and I am sure that all the consumers who are still thinking should they get an OEM fog lights or our Fog lights can make a easy decision— buy our fog lights today. It is because the OEM fog lights cause you over $450 and ours only need $245. Second, the installation is a lot easier (and you don’t need to remove your steering wheel) So purchase our fog lights will save you a lot of time. (Time is money!)
So here’s the thorough step by step installation by MANGO from Tundra Solution Forum:
07-09 Toyota Tundra Fog lights Installation Guide
-Step 1
Mango: Everything you need. The bundled wire is for the switch inside the truck.
Dashzracing: All the parts in the pictures is include in the package.
(Picture 1)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 2
Mango: Close up of the Switch and the lights. High Quality I must Say! (from Mango)
Dashzracing: Thank you for the compliment on our products.
(Picture 2)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 3
Caption: Remove the screws underneath then remove the circular fasteners on the wheel well.
(Picture 3)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 4
Mango: These are the fasteners you need to remove. Pinch them from the inside.
(Picture 4)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 5
Mango: Inside the fog light cavity. That’s the fastener you need to pinch to loosen the panel.
(Picture 5)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 6
Mango: You have to get your hand in the fog light space to get to the fasteners. Use long nose pliers.
(Picture 6)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 7
Mango: This is the fastener you are after to loosen the access panel (Sorry, Fuzzy image).
(Picture 7)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 8
Mango: The access panel should start to come loose. No need to completely take it off. Leave one fastener to hold it up.
(Picture 
07-09 Toyota Tundra Fog lights Installation Guide
-Step 9
Mango: Pop and Pry the plug exactly where the screw driver is shown
(Picture 9)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 10
Mango: Push in the plastic plug and then pull it out.
(Picture 10)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 11
Mango: Line up these tabs with the ones on your bumper
(Picture 11)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 12
Mango: Use that DOT in the lens to reference which light for what side. That DOT should be on top of the bulb for a proper install.
(Picture 12)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 13
Mango: Press fit the assembly in place going around in a circle
(Picture 13)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 14
Mango: The backside of the fog light assembly
(Picture 14)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 15
Mango: Zip the assembly to the existing tab in the bumper support
(Picture 15)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 16
Mango: You are going to run the plug wire to the first fog light by the bumper’s upper rear lip going under the transmission radiator.
(Picture 16)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 17
Mango: After you snake it through the transmission radiator, it will pop out next to the fog light assembly area.
(Picture 17)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 18
Mango: Here’s that wire you just snaked through plugged in plain and simple.
(Picture 18)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 19
Mango: Zip tie it next to the assembly tab you zip tied erlier to secure the wiring
(Picture 19)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 20
Mango: Clean up your install by working the wiring up against the upper lip of the rear of the bumper.
work your way down the length of the wiring as you move along.
(Picture 20)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 21
Mango: Here’s the wiring being installed in such a way where it will look and blend in with the other factory wiring harnesses.
(Picture 21)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 22
Mango: Snake the wiring through and use zip ties to cinch it in place.
(Picture 22)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 23
Mango: Pry one of these tabs to loosen the panel.
(Picture 23)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 24
Mango: Pry the panel and fish the wiring harness through to the engine side
(Picture 24)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 25
Mango: Here’s the wiring harness fished across to the engine side.
(Picture 25)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 26
Mango: From the engine side: there is the wire you need to get to the battery area.
(Picture 26)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 27
Mango: Another shot of the wiring harness before being tucked in behind the plastic panel.
(Picture 27)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 28
Mango: Pop in the driver’s side fog. Installs same as the passenger side.
(Picture 28)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 29
Mango: Driver’s side fog light installed.
(Picture 29)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 30
Mango: Connect the relay to the wiring harness. You will see it, it is the only connector of its type in the harness.
(Picture 30)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 31
Mango: Red wire from fuse holder goes to the battery positive.
(Picture 31)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 32
Mango: Red wire from fuse holder hooked up to battery positive.
(Picture 32)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 33
Mango: This male bullet connector from the wiring harness connects with the female bullet connector coming from the interior switch.
(Picture 33)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 34
Mango: You can screw the relay to the sheet metal but for now I am zip tying it to the factory wiring until I can permanently mount it.
(Picture 34)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 35
Mango: Fuse holder zip tied to the same factory wire harness location.
(Picture 35)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 36
Mango: Red Power wire neatly tucked in
(Picture 36)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 37
Mango: Ground wire for fog lights goes here for now until I can relocate it to a permanent spot
(Picture 37)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 38
Mango: Here’s how you can test if the lights work before you proceed any further. Take the male connector and tap it to the battery’s positive post. The lights should come on. Make sure the ground is connected and the power wire is connected.
(Picture 38)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 39
Mango: Here are the lights coming on during the test.
(Picture 39)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 40
Mango: Clean up the bullet connector wire with a zip tie. That wire is headed for the fire wall.
(Picture 40)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 41
Mango: Factory grommet you need to run the switch wire to
(Picture 41)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 42
Mango: From the driver side foot well. This is the spot where you need to run the wire for the switch. It is next to the parking brake pedal.
(Picture 42)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 43
Mango: Use a spring loaded claw tool from the engine compartment to fish the female bullet connector wire for the switch from the inside of the cabin. Or you can always use a wire hanger.
(Picture 43)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 44
Mango: The factory grommet you need to run the wiring through
(Picture 44)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 45
Mango: Use the claw tool to grab the female bullet connector from the interior cabin side
(Picture 45)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 46
Mango: Here is the tip of the claw tool pushed through inside the cabin.
(Picture 46)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 47
Mango: Here’s where that grommet is in relation to the area next to the brake pedals. That’s the wiring for the switch I’m point to.
(Picture 47)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 48
Mango: Here’s a look at the female bullet connector you need to fish through to the engine compartment via the factory grommet.
(Picture 48)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 49
Mango: Here’s the wire from the switch going to the engine compartment through the factory grommet.
(Picture 49)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 50
Mango: Once the female bullet connector is fished through, you can now connect both of these. Once connected, you can control the fog lights from the inside.
(Picture 50)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 51
Mango: The switch wiring harness will come with a lot of slack. You can cut off the excess and….
(Picture 51)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 52
Mango: Crimp the two wires together that had the male and female bullet connectors, this way you are not dealing with the excess length of wire, keeping your engine compartment and your install clean.
(Picture 52)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 53
Mango: Here are the two wires crimped together.
(Picture 53)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 54
Mango: On to removing the knee panel! Remove this one screw.
(Picture 54)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 55
Mango: Apply some downard and outward pressure at the top of the panel and gently pry.
(Picture 55)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 56
Mango: Same thing. Gently apply pressure. This is held on by pressure tabs only at the top. No screws involved.
(Picture 56)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 57
Mango: This is the fun part! Pick a blank! Any blank! It will easily pop off with a finger push.
(Picture 57)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 58
Mango: Run the switch’s plug harness through. You can’t miss it, it’s the only one left to connect out of the bundle.
(Picture 58)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 59
Mango: Another look. It doesn’t get any simpler than this folks!
(Picture 59)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 60
Mango: It is going in!
(Picture 60)
07-09 Toyota Tundra Fog lights Installation Guide
-Step 61
Mango: Pop it nicely in place and voila! Now to get the switch that lighted look when you turn on your parking lights…
Two more wires left!
(Picture 61)
To be conintue on 07-09 Toyota Tundra Fog lights Installation Guide II
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