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 Workshop - Fitting Cruise Control to the Saab 900 NG
A guide to fitting Cruise Control to a Saab 900 NG

  

Introduction

Cruise Control was an option on all Saab 900 NGs. If yours didn't come with it already fitted, you can obtain the necessary parts either new from a Saab Parts dealer, or by finding them in breakers' yards. Fitting the Cruise Control system takes approximately 1 hour.

Thanks to Chris Ivory (Zaphod on UKSaabs.co.uk) for providing this guide.

 
 

Parts Required

Here are the parts required to fit Cruise Control to the Saab 900 NG. I will update this guide with the part numbers shortly.

 
 
 

Working in the Engine Bay

First, remove the top cover as indicated below.

 
 
 

The Control Module will sit to the left hand side of the engine bay, by the bulk head.

 

The module is secured by a female plate to the left and two threaded bolts to the right to secure the unit - one is hidden in this photo.

 

Fit the control module into its area, but do not secure. This is a little tricky, due to the conduit of wiring that emerges from the bulkhead in this vicinity.

 

Route the cable in front of the oil breather pipes, and follow the lead of the accelerator cable to the throttle, in a nice smooth curve.

 
 

There are two cable end notches on the butterfly; the larger for the accelerator at the top, whilst the smaller towards the bottom of the butterfly is for the cruise control cable. The top needs to be removed before the cruise control cable end can be clicked firmly into place. The accelerator cable end is replaced in the same way.

 
 
 

A Clip secures the cables sheath ends to the bracket. The Cruise Control box can now be secured.

 

The multi plug for the Cruise Control box takes a little finding as it hidden well away and secured to the bulkhead through an end cap. It is just the case of pulling the plug away from the cap, which may take a little careful effort.

 

Insert the multi-plug into the Cruise Control box, and tighten the retaining nuts. Refit the top cover.

 
 

Working Inside The Car

The steering wheel needs to be pulled fully towards the driving seat. Access can be made to the securing Torx screws one to the left, one to the right and one to the bottom of the shroud, to remove. Take care when removing the shroud.

 
 
 

The indicator stalk can then be slid out from its securing bracket, by depressing the securing lugs and pulling left, and then disconnecting the multi-plug, before replacing with the modified indicator stalk with the cruise control controls, and replacing. Refit the steering wheel shroud, using the three Torx screws.

 

Now to work on the pedal/s. Note that the switch for the vehicles with automatic transmissions is part number 49 47 099, and is different to those as found on manual transmission vehicles.

Remove the lower dashboard panel. This will also mean removing the TechII multi-socket as attached, to this panel, to enable complete removal for easier access.

 
 
 

Space underneath is limited, and so the two air distribution ducts need to be disconnected. The hole where the switch fits into can just be seen in the photograph below. The frame work containing the relays has been removed to give you a better view. It is a push-in fitment, and takes a little careful effort as the switches are easily broken.

 
 
 

Connect this multi-plug to the switch. You will find it secured by a black tie, which will need to be cut with care.

 

Once secure, it is just a question of replacing the lower dash, and then securing and tightening all Torx screws and bolts.

 

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