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Old 01-25-2003, 01:24 PM   #1
WRX Bamboo Steamer
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Default Help! Where is the 32 pin plug?

I'm trying to install a set of HID prodrive driving lights and the instructions refer to a 32 pin plug to tap some wires. I have no idea where it is. All I know is that the first wire is Red and the second pin is blue/white. Can anyone tell me where the plug is?
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Old 01-25-2003, 08:54 PM   #2
Alan
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Is there any info on the plug's usage? Or even better the "name" of the plug. Or what it plugs into??
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Old 01-25-2003, 09:06 PM   #3
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I'd guess they're referring to one of the bulkhead connectors to the engine compartment. This should be totally unnecessary for just a set of driving lights which only require power and ground. For HIDs it's best to go directly to the battery anyway and use a relay to control them. The relay can then be activated either by a separate switch or from the high beam circuit.
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Old 01-25-2003, 09:17 PM   #4
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Actually, for HID lights which draw LESS current than the standard bulbs you can connect directly to the stock wiring if you pull the DRL ballast resistor. I've got them in my car and they work great.
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Old 01-25-2003, 09:29 PM   #5
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First off the original post is about HID driving lights, which would be wired separately as an accessory rather than directly to the lighting circuit (except for a relay for control if running them with the high beams).
The thing with HIDs is that although their operating current draw is indeed less than equivalent halogens (about 35W per unit), they have a much higher startup current. Each ballast may draw 10-15 amps when first started before settling down to operating current. This is why some HID kits will have starting problems and flickering if connected directly to the existing wiring. The ground side can barely handle the current for the stock headlights, so asking it to deal with that high startup draw is not the best idea. I have actually measured a 1.5 volt drop through the ground wiring with just the stock wattage lights.
I have mine connected directly to battery negative and that is what I recommend to anyone installing HIDs.
I think there should be a separate sticky thread specifically for HID wiring, maybe Morette stuff etc.
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Old 01-26-2003, 07:42 AM   #6
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I'm not sure that the 32 pin plug really exist. The prodrive kit I bought had instructions on how to wire the lights to the original fog light system so that they only came on when the fog light switch and the high beams where both turned on. Unfortantely, it appears that the car wires they describe is not the same as what is present in my car as the wire color descriptions are different and I can't find a 32 pin plug that has a red wire in position 1 and a white/blue wire at position two. I'm guessing that this kit is for another year impreza or the UK versions are different.

It seems to me that it should still be possible to rewire the existing system however. The original instructions indicated that the coil of the relay needs to have the positive wire rewired. I'm guessing this should be wired into the common positive of the headlights. This way, the relay will have positive voltage when the lights are on. The fog light switch also needs to be rewired. The original instructions said to cut the wire leading to the positive lead of the indicator light and wire it to the same place as the above mentioned relay. I don't think this is necessary for the US version because the normal Foglight mod works without doing this. The other wire on the switch that needs to be modified is the negative input for the switched circuit. I believe this should be wired to the high beam negative wire since this is switch on the US cars. Now all of this assumes that the normal foglight mod is rewiring the positive for the relay and not the negative and that the foglight switch is switching the negative for the relay. If this actually works, then the original foglight relay will be handling the current for the new driving lights. I think I can get to the positive and negative wires for the headlights via the instrument cluster. It looks like plug i-11 has these wires for the high beam indicator (Position B13 is the negative and Position B14 is the positive). Am I chasing my tail with this project?

Last edited by WRX Bamboo Steamer; 01-26-2003 at 07:48 AM.
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Old 01-26-2003, 12:22 PM   #7
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I figured it out. Take a look at this thread where I explain how to do it: http://forums.nasioc.com/forums/show...hreadid=306666
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