Hi Tan Hang Siah,
My relay terminals are labeled as follows:
30-H - Terminal for lights or horn
87-B - Terminal from power source
86-S - Terminal from switch
85-M - Terminal for relay ground wire
I have wired my Max Horn as follows:
30-H - connects directly to ONE of the terminals on EACH of your new
horns.
The other horn terminals will be grounded to a convenient bolt on the
chassis somewhere.
My horns did not have a polarity shown on the terminals.
87-B & 86-S are BOTH connected to a +12V (inline 30A fuse) lead brought
from the positive terminal of the battery. I just pigtailed the lead
with a 2 inch section to get to the other terminal (I wanted to be able to use
the horn without having the key on.....if you don't like that idea, use a
source of +12V that is switched by the key to 86-S
85-M - this is the pink wire that originally ran to one of the horn
terminals of your "old" horn
The tan wire that went to the other terminal is no longer used at all.
Tape it up out of the way.
The horn button is the "ground" to complete the circuit. Good luck!!
Larry McGowan VMOA#114
Tan Hang Siah wrote:
> Trying to install a set of horn today,and following the step-by-step
> instruction on the "Fitting a real horn on your vmax",but when come to the
> connection on the relay,don't know which wire go to which pin on the
> relay,hope that someone can help me.Thank you.Also don't understand the
> number beside the pin e.g.30,87.87 etc
>
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