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put it into my 1988 244GL wifemobile. Here's what might help you:
Engine bay:
Two units on the firewall.
One vacuum hose between them, one hose to somewhere to get vacuum (get all the fittings, including the brass on in the Intake manifold), and one long hose into the cabin.
Be sure to note the route taken by that long hose. Instructions call for it to enter the cabin through a grommet in a 1-inch hole in the firewall near the steering column penetratin point.
Wiring harness from the engine bay unit. Long harness, enters the cabin somewhere. Instructions call for it to be stuffed through the hole where the hood release cable enters cabin. AND - the terminals must be removed from their plastic housing to do that.
For these two cabin entry points I made two holes in the firewall about in front of the glove box. (The inside sound foam pad has perforations for clearance.) Then I used two grommets from ACE Hardware and a lot of marine sealant.
Both the long hose and the long harness must connect to items above the driver's right toe. If you do as I did, those two must cross the cabin bwteeen the firewall and the a/c heater air plenum. I had some 1/2 inch black nylon "pipe" which I cut to about 36 inches with a bevel on one end. It was easy to get the pipe into that space. Then feed the wires and vacuum hose into the pipe. From the driver's side end pull the pipe out of the car, leaving the hose and wire where they need to be.
Inside the cabin:
Most of the work will be under the dash. The "brain" should be bolted to a bracket around the steering column. Get that bracket. The servo connection to the gas pedal linkage uses a pin and key - don't loose them.
There are short vacuum hoses in there, too. Connect to the servo and the switch on the brake pedal (and clutch if a stick shift).
The harness connects to the brake light switch, the brain and the back of the speedometer. That last, orange wire, is easy to get off - but - you should learn the "feel" of that connection so as to make installation easier (eliminate need to remove cluster).
The harness to the stalk can be threaded out. You will need to remove all the steering wheel surround. Bolts from the bottom (use a mirror), screws from the top, and bolts into the dash at either side. Pop off the piece that covers the left side bolt head. I think the piece covers ahole for a choke cable.
It can be a long job, but a working CC is really enjoyable. I use it on longer suburban roads in additoin to highway driving.
Good Luck,
Bob
:>)
PS: I have the Volvo Instructions. A copy is yours for the $10 to cover Priority mail and copying 27 pages (many languages).
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