Key:
E = Earth
C4/8 = Connection plug 4, pin 8
Fuse* or F* = Direct connection fuse number
Black Yellow = Wire colour
Modules are labeled in the picture.
Smartmods
for all your modding needs, recommended by Evilution
Kane Harrison
451 Pre-Facelift Stereo To Post-Facelift
Do you want to fit a Radio 9 or 10 (or specially made stereo like the S100) to your face lifted 451?
451 Radiator Fan Removal
Remove the front panels. Click Remove the front frame. Click Remove the AC radiator. Click Remove the coolant radiator. Click You can now remove the fan surround.
451 Rear Bulb Change
451 Coupe & Cabrio Replacing the lights on the new smart is a whole lot easier and quicker than before. Open the boot and look to each side, you will see a flap on each side. The offside flap (shown below) hinges forwards when the clips are pushed in (circled...
451 Rear Bumper Removal
Rear panel removal helps when fitting a replacement exhaust etc.
451 Rear Hatch Dripping
It's fairly common for the rear hatch to fill with water and this dribbles into the car when you open the hatch
451 Rear Hatch Leak
Water Marks On The Inside Of The Boot Glass This used to drive me mad, I'd clean the windows all around but when I got in the car there were drip marks. After many trips back and forth to try and clean these marks off I realised that they were inside the car. Once I...
451 Rear Light Removal
You can remove the lights for tinting etc, saves masking it all.
451 Rear Light Unit Change
When I first got my 451 cabrio, I had the top down and reversed very slowly into a cross pole. The view out the back with the roof down is terrible and so is the sound of crunching plastic. Remove the rear panels from the car (yes, it's a fair bit of work just to...
451 Rear Lights Pin Out
Just incase you need to add any extra lights like fog or reverse.
451 Rear Side Quarters
There seems to be no reason to remove these but they could rattle.
451 Rear Speakers
This guide is working off of the back of this guide here. If you already have an American 451, you are good to go. I'll be fitting these speaker pods for 100mm speakers. You can get larger 160mm pods but it's overkill for rear speakers. They turned up quickly but in...
451 Rear Squirter Fault
The 451 coupe suffers a lot from a disconnected squirter pipe to the rear window
451 Rear Wiper Removal
Flip open the cover to reveal... ...the squirter head and the 13mm nut. With a pair of pliers, carefully grip the tip, give it a wiggle and a pull... ...and the squirter tip will come out. Use a 13mm socket and remove the nut. Now you'll need a wiper puller of some...
451 Retrofit Power Steering
This guide is for a right hand drive UK car. LHD cars will probably be the mirror opposite. For future reference, PAS = Power Assisted Steering. This guide now has 2 options on removing the rack. You Will Need A power steering controller. Part numbers below. A power...
451 Roof Rack
Temporary additional space
451 Roof Trim
A few jobs require the roof trim being removed, it is a fairly simple task.
451 SAM Unit Pin Out
SAM Unit 451 connections
451 Scuttle Panel Removal
Gain access to the cabin air inlet and the window squirting nozzle hosing
451 SE Drive Cover
You will need to remove this cover if you want to remove the gear stick assembly, change the immobiliser chip detector or rescue a cabrio roof switch that has fallen through.