I too think the horn is crap. Here are some notes that I made while investigating replacement.
I bought a set of high / low horns from Amazon to put on ($16). I pulled the cover above the grill but I barely can see the horn from above...
The stock horn is next to the drivers side headlight. It can be seen much easier through the grille. I believe it could be easily unbolted via a socket with a long extension and a wobble joint, but the harness connection is obscured. The problem is, if the bolt securing it is removed it looks like it would be very hard to reattach without removing everything around it. Especially so since I cannot reach it to remove the power connection. Reassessment considered. I don't want to remove the bumper, all of the header trim, headlight and grille just to get to the **** thing.
I can reach the horn with my fingertips through the grille and noticed upon slight pulling - prodding that it feels like it weighs maybe a pound at most. OK. So maybe it can stay and either supplement the new horns or it can just hang there. I still will need access to the horns positive signal. The fact that its connection is hidden is troubling. The horn, grille, radiator support, bumper and headlight all connect in the that same location, and I haven't yet traced the source of horns power. It likely shares the same harness as the headlight, but that is obstructed as well.
It looks like a good mounting space for the new horns could be lower beneath the headlight behind the foglight area for easyaccessibility from below (at 1st glance anyways). There appears to be an oil cooler about 6-8 inches back from the foglight grille and I am considering a bracket for them down in front of that. Mounting the horns on the radiator support does not seem practical due to the inter-connectiveness of all of the front end parts. With the cover on top removed, it was clear that the whole front end is a honeycomb. With no access big enough for my hand with just cover removed.
I need a wire schematic to proceed or I need to remove the headlight to figure out whats going on there. Perhaps some guidance from anyone that has removed the bumper. Just pulling the bumper / grille might be easier, but installing the horns in front of radiator from above is not an option.
Wiring wise, I'll need:
a tap to the original horn feed wire (any ideas on color of that wire?),
a larger power wire to source for the feed to the 2 horn setup and also for some fog lights (maybe 2 separate wires, but seems unnecessary),
a pair of relays to run horns and fogs,
a negative wire for relays, horns and foglights (horns I bought don't use grounding through the bracket - good because that is often problematic)
trigger wire for the fogs
a good place to tap for power
I think I might use an old GM style high beam switch and mount on the floor to the left of the brake pedal to trigger the fogs. Easier than mucking under the dash and more easily maintained removed etc, and less of an impact on aesthetics. Also no need to source OEM switch and still looks stock versus some autozone switch etc.
Has anyone else mounted foglights themselves on these cars? Seems I remember reading someone paid the dealer to install OEM variety, but I am sure a cheaper solution exists and there really is no reason not to do this at the same time as the horns.
Further input from others requested.
Jay
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