Wiring.
I haven't got many pics of my wiring but basically I had to extend everything that's by the wipers to get the loom in neat , everything else is the same under the bonnet. Inside the car I had to change the plug for the heater controls and extend the clock wiring. Dials were pretty simple as well. Then I had to change the plugs for the rear lights but the original puma bulb holders did sortof bodge in the ka rear lights. The fuel pump wiring is the same but the sender needed a bit of rewiring