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I'm about to finish the upgrade of my basix 9-5 (AS1 and heated seats, that' all) to AS3 & electric and ventilated seats & heated rear seats.
The trick is to find a donor car and remove the wiring harness from that car I was lucky to find a complete wiring harness on Ebay for Euro 40, so that saved quite some work.
Get the schematics (WIS or books) and remove the cables that are missing in your car from the wiring harness.
All cables that you are probably interested in are going to a green connector. Then find the pins of the cables you need and stick two little pins in the holes next to the selected pin. It unlocks and you can pull it out.
The colors of the wires are very consistent with the schematics so they are easy to identify.
By removing the cables from an existing loom you get factory spec upgrade without any strange wires dangling around, which also helps to trace later on in case of problems. Also, you get the exact needed cable, color, pin type and length!
There are two sections of the harness: Dashboard loom and rear loom. They are joined by a big green connector behind the carpet near the drivers left foot. Getting the cables from the rear loom is easy. Very accessible. The dashboard loom is more difficult because Saab bundled all wires into big bundles so unless you have that loom out of the car it is very hard to remove.
Now here are the real tricks:
1 your have to remove the bottom green connector from the holder in yor own car order to be able to add the pins. The holder prevents the brown pin lock to be removed so you really have to take it out. The trick is two credit cards that you slide in from the bottom to undo the 6 plastic tabs of the holder that lock the green connector in place.
After that you remove the brown pin lock and you can start adding pins.
2 To remove the pins from the connector you stick two little pins in the holes next to the selected pin (pin side of the connector). This unlocks the pin and you can pull it out.
3 Print out the schematics and connector layout of H80 and H29-1 and H29-2.
Tick every cable on the schematic and connector layout when you add them to your own loom so you keep track of where you are.
It is quite some work though, it takes me bunch of evenings to do all this.
Electric seats are easy, just a few wires. AS1 to AS2/3 is a bit more work but doable although you better remove your own dash also in order to be able to properly position the audio system wires. Ventilated seats are also quite doable, not too many wires involved.
You will also need cloth tape to bundle your wires to the existing looms and be prepared to retape the wire bundle going to the seats as they have some mechanical stuff taped to them to hook them to the ventilation duct beneath the seat and en elestic band to attach them to the seat bottom.
posted by 87.209.170...
, Wed, 11 Nov 2015 07:28:26
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