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Old 12-21-2009, 08:24 AM
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Stereo RAP Question

Where do you guys get a RAP(Retained Accessory Power) source from? I was looking at the radio pinouts, and it looks like the RAP is controlled by the CAN system...I need to find a RAP power source for another reason and wanted to know what some of you guys did?

Thanks..
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Old 12-21-2009, 08:43 AM
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Re: Stereo RAP Question

Does this help...


Quote:
Originally Posted by WKJeeps

Ignition off draw fuse (IOD) / Vehicle storage

All vehicles are equipped with an Ignition-Off Draw (IOD) fuse that is disconnected within the Integrated Power Module when the vehicle is shipped from the factory. Dealer personnel are to reconnect the IOD fuse in the Integrated Power Module as part of the preparation procedures performed just prior to new vehicle delivery. The IOD fuse can be removed to avoid discharging the battery by disconnecting non-essential, low-current memory functions that are normally on at all times. A detent on the IOD fuse holder allows it to be stored in its normal cavity but out of contact. The holder is pushed into place to restore power to the systems it supplies. The following circuits are protected by the IOD fuse:
  • Cluster (CCN)
  • Diagnostic Connector
  • Map Lamps
  • Glove Box Lamp
  • Courtesy Lamps
  • Radio
The term ignition-off draw identifies a normal condition where power is being drained from the battery with the ignition switch in the Off position. The IOD fuse feeds the memory and sleep mode functions for some of the electronic modules in the vehicle as well as various other accessories that require battery current when the ignition switch is in the Off position. The only reason the IOD fuse is disconnected is to reduce the normal IOD of the vehicle electrical system during new vehicle transportation and pre-delivery storage to reduce battery depletion, while still allowing vehicle operation so that the vehicle can be loaded, unloaded and moved as needed.. The IOD fuse is disconnected from Integrated Power Module when the vehicle is shipped from the assembly plant. Dealer personnel must reconnect the IOD fuse when the vehicle is being prepared for delivery in order to restore full electrical system operation. Once the vehicle is prepared for delivery, the IOD function of this fuse becomes transparent and the fuse that has been assigned the IOD designation becomes another Fused B(+) circuit fuse. The IOD fuse can be used by the vehicle owner as a convenient means of reducing battery depletion when a vehicle is to be stored for periods not to exceed about thirty days. However, it must be remembered that disconnecting the IOD fuse will not eliminate IOD, but only reduce this normal condition. If a vehicle will be stored for more than about thirty days, the battery negative cable should be disconnected to eliminate normal IOD; and, the battery should be tested and recharged at regular intervals during the vehicle storage period to prevent the battery from becoming discharged or damaged.
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Old 12-26-2009, 06:37 PM
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Re: Stereo RAP Question

Retained accesory, meaning always hot? Or goes on with ignition and stays on for about 5 min after the car is shut off? If its the second one I think the only one is the power socket on the left below the heater control unit, I think the one on the right is always hot.
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Old 12-26-2009, 06:51 PM
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Re: Stereo RAP Question

Quote:
Originally Posted by TimmyB View Post
Retained accesory, meaning always hot? Or goes on with ignition and stays on for about 5 min after the car is shut off? If its the second one I think the only one is the power socket on the left below the heater control unit, I think the one on the right is always hot.
I know the socket on the left is controlled by the ignition (not RAP). It's what I'm using as an ignition wire for my stereo - turns on/off with ignition.

Not sure about the one on the right.
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Old 12-26-2009, 06:58 PM
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Re: Stereo RAP Question

The right is always on, I have the car off and my little air ionizer thing works when I just plugged it in.
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