time delay relay for horns

Alright, I think I have this thing laid out. If you could, look at these diagrams to see if I'm on the right path. They both assume that the horn is being pressed, since that is obviously what I'm concerned with. The first is when the ignition is off and the factory horn is activated (the gray horn). The second is when the ignition is on and the Wolo 417 is activated (thus deactivating the factory horn). Ignition off, factory horn activated: Ignition on, Wolo horn activated (factory horn deactivated): The horn trigger wire will be easiest to access from right near the factory horn, so I will probably do that. The only wire that I really need to find is the ignition wire. Tough finding a solid diagram or layout of the actual locations of the wires. Your descriptions are certainly helpful, though, just need to locate the bundle of wires.I'm a novice. Go easy on me.

That looks perfect!! Much better setup than the original. Also, the ignition wire should be easy enough to find once you pull the lower panel off. It's the blue wire and will show 12v (or close to it) in the "On" and "Start" position. Good Luck! Let me know how it turns out.

To make getting my trigger wire to the engine bay easier, I thought of another possibility. I have an empty fuse under the hood that would be for the sunroof (my car doesn't have one). I'm thinking I could just use an "add-a-circuit" and plug it in to that empty slot to trigger the relay. Something like this: http://www.parts-express.com/pe/showdetl.cfm?partnumber=071-585 That is already under the hood and a really short run to where I need to go anyways. I'm assuming that it only becomes energized when the car is either running or in the "acc" position. I've never used one of those before, though, so I'm worried that this is too easy to be valid.I'm a novice. Go easy on me.

That may work out really nice if you have access also to the factory horn wire under the hood. That should be a + trigger. You would cut that wire and wire only one relay - Pin 85 - to ACC circuit you found with the "add a circuit" Pin 86 - Ground Pin 30 - Switch side of the factory horn wire Pin 87a - Horn side of the factory horn wire Pin 87 - Positive terminal of the Wolo The negative terminal of the Wolo would go straight to ground. When the vehicle is off, you would use the factory horn and when ACC or IGN are on, the Wolo would take over. I don't like the idea too much of having the relay trigger on ACC since it will draw power from the battery if you are sitting for a while listening to music with the engine off. But it is definitely a better setup.