All Things Mk5 > How to Guides / Troubleshooting
How To: Mk5 Heated Seats Retrofit
jason_rmh:
--- Quote from: danfalcon on November 03, 2013, 01:50:27 pm ---...
the only thing i arent sure about is the connection onto the CECM, i dont suppose you have more detail/pictures about how and where it is fitted
...
--- End quote ---
OK...
The wiring diagrams above show three wires running to the CECM:
L2 - connector L, pin2
I2 - connector I, pin 2
C1 - connector C, pin1
The CECM is located underneath the dash just above the bonnet release lever, behind the fuse box.
This picture shows the CECM when totally removed from the car, note each connector is labelled:
Two red levers need to be pulled towards the bonnet release lever to unlock the wiring harnesses for removal.
You can then pull the relevant connector out from the CECM, so you can insert the relevant wire into the correct location on the harness plug.
Once the wires are in place, refit the connector into the CECM and push the red levers back into position to lock in the wiring harnesses.
Hopefully, that should clear things up for you :happy2:
Jas
davidwatsonbr:
Hi, Jason.
Only to confirm...I live in Brazil and I own a VW Jetta 2007 (made in Mexico).
There is both heat seat switch on the panel (climatronic), but both seats doesn't heating (I tested this with the engine runing).
I checked my fusebox and all fuses are okay, except the "SC46", which position does not have the connector to plug the fuse into.
Should I purchase this wire harness and to the same job that you did here? Your car came with the heated seat switches on the panel, but it doesn't worked before you do this, same as I'm trying to tell you?
Also, the URL that you put for purchase the wire harness is not working anymore and there is more than 2 options of VW-Golf 5 wire harness at Kufatec website.
Please let me know.
Thanks and have a great day.
jason_rmh:
Hi.
My car did not come with heated seats and no switches on the panel, I had to fit the new panel too.
Read my guide on which options you require for the wiring harness from kufatec. It depends on the year the seats were made, whether they have one control module under your drivers seat or a module under both seats. Also, whether you have electric adjustment and lumbar support.
Jas
JP:
Hello everyone i have just joined the forum :smiley:
Sorry for resurrecting this thread but I just got a mk5 GTI a few weeks ago, and I have managed to get some heated leather trim to instal and I am going to use this guide.
My question is if anybody can help, the seats I got are from a 2006 GTI and both the passenger and drivers seat do say March 2006 on the label on the bottom. My confusion is that there is only one control module under the passenger side and this guide that jason_rmh wrote says -
NOTE:The year is based on the year of the seats you are wiring up not the year of your car. This is normally labelled on the underside of the seats. However, an easy way to tell, is to look under both seats for a control module.
If you have a control module under both seats, you need the 'upto 2006' loom.
If you have a control module under only the passenger seat, you need the '2007 onwards' loom.
The wiring is different, so ensure you get the correct loom, and check before ordering.
So you can see my confusion for when I am ordering the harness, I believe from this information it must be the 2007 onwards harness that I need to order even with the 2006 dates on the seats?
Any help is much appreciated, thanks
jason_rmh:
You need the later wiring, so order the 2007 on harness :)
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