Quote:
Originally Posted by gbrtng
I found a locating pin on the rear of the CDM - the CDM must be pushed forward to disengage the pin from its bracket. I had to remove a hex head screw on the lower corner
of the dash assy so I could pry it backwards for the necessary clearance. The service manual is no help - the pictures are not complete and the mystery is revealed when you finally get one apart the first time. And it comes out from the bottom ... Happy day - that car has been sold - yeehaw !
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This thread may be old but the information is Significant with NEW notes added that are NOT covered in the attached Video or in any other thread/post regarding CDM Removal. I just ran into the CDM Installation since a ZR-1 I have acquired was found to NOT have the CDM re-installed like it should have been but rather just set back in place sitting among the wires and connectors held in place by the passenger side Knee Bolster.
See CDM Removal (CDM Installation NOT covered).
A couple notes for easier Bose CDM (Control Data Module) Installation:
1. Slide ALL Connectors that are attached to the CDM box plastic cover (
under the CDM) off their respective Connector Tabs.
2. Remove those tabs from the plastic Cover(squeeze the tabs on top of the plastic cover and the pins should drop out). Install those tabs back onto the Connectors(slide into the recessed groove of the connectors).
3.
Disconnect ALL connectors (separate the male from the female part of the connector) under the plastic Cover allowing the CDM to be dropped down a lot easier without having the electrical wires in the way.
4. The CDM Plastic Cover can be slid to the rear and down after the two 10 mm nuts are removed holding the CDM and Plastic Cover in place (leave the fuse holder attached to rear of Plastic Cover in place as well as the flasher).
5. Be carful when installing the CDM and CDM Plastic Cover. The CDM slides forward in the Plastic Hanger Tabs inserting the plastic dowel of the CDM into the flange mounting hole just below the glove box. The CDM Plastic Cover slides reward on the CDM studs.
Do NOT tighten the two 10 mm nuts too much.......just tight enough or the plastic tabs will break 
6. The last step re-installing the CDM is to reconnect ALL connectors under the CDM. Install the connector tabs with connectors attached by inserting them into the appropriate 1/4 inch holes in the Plastic CDM Cover (actually under the CDM).
See Typical Low Mileage ZR-1 Issues (Audio, Injectors, Clutch) which link includes Bose Amp Repair.
Quote:
Originally Posted by -=Jeff=-
yes only 3 connectors on the passenger side of the CDM.. there should be 2 smaller ones, those go to the speakers.
the larger one is for the head unit and power. The other larger one is not used. Be sure the antenna plug is full seated in the CDM and that it did not work its way out during the install, assuming you plugged it in before mounting it completely
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The three connectors on the passenger side of the CDM are each unique in the connector design so not to worry which goes where.
