I'm trying to install towbar electrics in my '08 9-5 Aero Estate. My car has the towbar plug on the wiring loom by the spare wheel and I have managed to lay my hands on new orginal Saab 7 pin towbar wiring harness (400 106 274) and signal monitoring box / bypass relay (400 106 316). I...
After searching various sites there were conflicting advice on fitting a dedicated tow-bar.
So thought to put this advice down as it worked for us.
Cars to have tow-bar fitted 2003 9-3 vector sport automatic and manual my car and my mates (Manual)
We fitted the tow-bar and plugged...