RAP lead

[BuzzH3]

Does anyone know of a good place near the stereo to tap into a RAP 12v accessory lead? I am installing a HK Drive+Play and want it to use the RAP.

[BuzzH3]

Does anyone know of a good place near the stereo to tap into a RAP 12v accessory lead? I am installing a HK Drive+Play and want it to use the RAP.

[f5fstop]

The RAP relay feeds the sunroof module, windshield wiper switch, turn signal/malfunction switch, door lock/window switches, rear washer pumps, rear wiper switch and auto trans floor shift control.
At the base of the steering column, just to the left is a light gray 22-pin connector.
Pin B7 is a yellow wire from the body harness, and a black wire going to the windshield washer/wiper/multifunction switch. This is the RAP circuit.
Laying upside down might make this hard to see, just make sure that the connector end coming from the body harness has to be yellow, while the one going to the switch is black.
There is another yellow wire coming from the body harness, but DO NOT TAP into this wire, this yellow wire will have a gray wire on the other side of the connector going to the switch.
It will be easy to test with a test light, or voltmeter.
That is the closest place, since the radio's RAP function is via a serial bus circuit.

There is another place if you have a sunroof. Run the wire over to the driver side A-pillar. Remove the A-pillar molding (remove the small cover, the screw underneath, and just pull it off). If you have a sunroof, tap into the yellow wire in the wiring harness running up the A-pillar.
If you go this route, make sure it is a solid yellow wire, the yellow/black striped wire is the Onstar LED signal for the green LED.

[BABHUMV]

<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by f5fstop:
The RAP relay feeds the sunroof module, windshield wiper switch, turn signal/malfunction switch, door lock/window switches, rear washer pumps, rear wiper switch and auto trans floor shift control.
At the base of the steering column, just to the left is a light gray 22-pin connector.
Pin B7 is a yellow wire from the body harness, and a black wire going to the windshield washer/wiper/multifunction switch. This is the RAP circuit.
Laying upside down might make this hard to see, just make sure that the connector end coming from the body harness has to be yellow, while the one going to the switch is black.
There is another yellow wire coming from the body harness, but DO NOT TAP into this wire, this yellow wire will have a gray wire on the other side of the connector going to the switch.
It will be easy to test with a test light, or voltmeter.
That is the closest place, since the radio's RAP function is via a serial bus circuit.

There is another place if you have a sunroof. Run the wire over to the driver side A-pillar. Remove the A-pillar molding (remove the small cover, the screw underneath, and just pull it off). If you have a sunroof, tap into the yellow wire in the wiring harness running up the A-pillar.
If you go this route, make sure it is a solid yellow wire, the yellow/black striped wire is the Onstar LED signal for the green LED. </div></BLOCKQUOTE>

You amaze me with your knowledge oh great one. Thank you very much!

One other question if you would. I have side airbags, these are behind the a-pillar trim, correct? I really don't want to mess around in there. I think I will go to the steering column.

[f5fstop]

The strap that holds the side curtains is in the A-pillar. However, I believe the actual inflater (explosive device) is at the rear, but I have not seen an actual set up to prove this out.
I will say what I would do is remove the A-pillar molding and take a look. If it is only a small strap then I would have no problems, if the initiator module is there, I would be more careful. The wires to the inflater are Dark Green and Brown.
But, if you feel more comfortable with the connector under the column, go for it. It should be easy to spot, it will have a lot of wires going up the column, and from the other end going toward the body.

It is advisable to disconnect the negative battery cable after testing the circuit and before splicing in the wire to the RAP. Just thought I would mention that.