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If you locate the horn relay on your car, you should find a green wire with a white stripe someplace in the vicinity. This is the wire that supplies current to the existing horns, when the horn button is pushed. If you connect the new horns to pos and neg ..... no problem right? .... and then connect the new horn blue switch wire to the green-white wire from the horn relay, it ought to work. If not you can try hooking the blue switch wire to the existing green-black wire from the horn relay. ....However, green-white wire ought to be good.
.... The horn relay should be inside the large fuse box on the driver side of the engine compartment, towards the front. Just look around the exterior of the box for the G-Wh wire going towards the horns. It ought to be there someplace.
... Actually, you ought to be able to connect the blue switch wire to one of the green/white stripe wires in the vicinity of the OEM horns .... same thing ... easier to locate. .... Blue wire doesn't take any power to speak of ... just need a voltage signal to turn on the new horns. .... The only possible problem might be a time delay, but probably not perceptible.
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98 Camry LE, 2.2L, automatic
50k miles, drop in K&N A/F
 recent timing belt, water pump
Last edited by dc_98_cam; 07-25-2007 at 09:06 AM.
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