Ladies Love Heated Seats *Rear Seat Mod*

[GT BMW E30]

So my Wife, Mother and Mother-In-Law loves heated seats so much that I thought "Mod Alert". I should add heated elements to the rear seats in my IX. I had a spare wiring set so I gave it a try. I used a jump fuse wire for power off the hazards and grounded it to the ebrake (Power still runs to it with key in off position or no key. So switch needs to be turned off). I was not sure if I would damage the wires if I spliced the power and ground wire to the front seats (Can someone tell me if that is possible). I installed the switches to the back of the ashtray. Best location plus no one uses ashtray or smokes in car anyway. The switches need a bezel due to overcut and extra space for fitment. It was a straight forward install that took me a day and half to install. Could have been done in a day but I had other things to do.

[GT BMW E30]

Can I splice into harness without overloading the circuit?

[rcsoundn1]

I would suggest tapping a switched power wire off the steering column. Could you add it to the seat circuit, sure, would it cause an over load.... I cant be sure. Some will say that the existing heated seat circuit was designed to handle its current load, and not double that load. That is why I would fuse a lead off a switched power from the column. Some may argue with that as well but at least the wire is a much heavier gauge. Only other option is to scout out the fuse box and make a full circuit. Love the idea though.

[nando]

if you really want to do it right the fuse box actually has an auxiliary connector that you can wire up with any fuse you want. it's meant specifically for adding stuff on like this.

[rcsoundn1]

that is the best route, I agree. More involved, but you are essentially creating a new circuit