Air Horn Installation

Anyone have any info on the wiring for an air horn for a 97' SL2. I'm
replacing the broken horn on my SL2 with an air horn. The car already
has 3 existing wires, I assume one is gnd, positive, and relay/switch?
Just wondered if anyone has installed another type of horn on the
saturn. Thanks,
I posted a message earlier but it never showed up.

 

I just installed a set in my 99 SW2. The three wires to the stock horn are
1) constant power
2) switched ground
3) constant ground
I did not hear any relay click when I disconnected the stock horn, so
there may be a relay in the old horn itself. In any case, you should wire
in a relay. I tapped a power line for the air horn compressor from the
fuse box next to the battery-I used a mini fuse relay and a connected it
to the bolt connecting the battery cable to the fuse box. Then, I ran
power from the fuse to the relay to the compressor. I grounded the
compressor. Then, I hooked the switched ground and constant hot from the
old horn wires to the relay.

Lee

 

A Haynes or Chilton manual from any auto parts store (for around $10) will
provide vehicle wiring diagrams.

Lane [ lane (at) evilplastic.com ]