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The stock horn is grounded to the body through the bolt by which it's attached, if that's what you're asking. When I moved the horn into the engine compartment I insulated the case from the body by cutting the plastic top from a tub of margerine and putting that between the horn and the body.
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Original owner of silver grey carburetted 1989 Festiva. 105k km as of June 2006. 140k km as of June 2021. -
No. you are correct the OE horns are grounded to the chassis but the activation is via a button(s) on the wheel pad.
The buttons are simple electrical "open's" that once depressed close the circuit.
Which leads to my Q. When you press the button it closes a ground ? (black wire) which appears to connect to a spring loaded pin mounted to the back of the wheel, the contact point is a disc below allowing contact during full rotation of the wheel.
W/O a wire diagram, I presume that traces to the trigger side of the relay?Last edited by needragr; 04-08-2016, 09:02 AM.Comment
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Anyone..? Is the horn circuit hot all the time?Comment
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I just went out, opened the door, pressed the button, and it beeped. So I'd say yes. I'm the original owner of the car and nobody has messed with the wiring so that's the way it came from the factory.
Original owner of silver grey carburetted 1989 Festiva. 105k km as of June 2006. 140k km as of June 2021.Comment
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And yes the wheel buttons are ground switches to the low current side of the horn relay.Trees aren't kind to me...
currently: 2 88Ls (Scrappy and Jersey), 88LX, 90L(Pepe), 91L, 91GL (Skippy) 93 GL Sport (the Mighty Favakk), 94 (Bruce) & 95 Aspire SEs, 97 Aspire (The Joker),
94 Justy 4WD, 87 Fiero GT, plus 2 parts cars. That's my fleet.
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