1980 2000 spider horn relay

Gotta love that wiring . . .
parker0417
Posts: 1
Joined: Wed Feb 07, 2018 4:56 pm
Your car is a: 1980 Fiat 2000 spider

1980 2000 spider horn relay

Postby parker0417 » Sat Feb 10, 2018 11:59 am

Hey guys, i am trying to fix the horn on my 1980 spider and i have already diagnosed that the horns themselves actually work so that most likely means its the relay. problem is, i don't know which relay is which so could someone tell me, or better yet, send me a picture of the relay diagram/electrical diagram. I'd really appreciate it (just make sure it works :) )

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focodave
Patron 2018
Patron 2018
Posts: 704
Joined: Sat Jun 30, 2012 10:35 am
Your car is a: 1980 Spider 2000 F.I.
Location: Fort Collins, CO

Re: 1980 2000 spider horn relay

Postby focodave » Sat Feb 10, 2018 1:33 pm

Your horn relay is shown as the number "4" relay in the following drawing:
Image
1980 Spider 2000 F.I. (my hobby)
1970 MGB GT (my other hobby)
2008 Ford Expedition (daily driver)
2019 Harley-Davidson Electra Glide Standard
2019 Harley-Davidson Iron 883 Sportster

ORFORD2004
Posts: 1099
Joined: Wed Mar 17, 2010 9:48 pm
Your car is a: 1983 PININFARINA
Location: Sherbrooke, Qc, Canada

Re: 1980 2000 spider horn relay

Postby ORFORD2004 » Sat Feb 10, 2018 4:31 pm

What about the switch? To operate, the wire in the steering wheel must be grounded. :idea:

gbraun
Posts: 23
Joined: Mon Mar 20, 2017 3:59 pm
Your car is a: Fiat spider 1984 from california

Re: 1980 2000 spider horn relay

Postby gbraun » Sun Feb 11, 2018 2:32 pm

yes the wire in the center wheel steering must be grounded.

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spidernut
Posts: 1905
Joined: Wed Jan 25, 2006 12:20 am
Your car is a: 1979 Fiat Spider Automatic
Location: Lincoln, CA

Re: 1980 2000 spider horn relay

Postby spidernut » Mon Feb 12, 2018 12:31 am

The contacts in the horn button must also be clean.
John G.
1979 Spider (Owned since 2000)
1971 124 Sport Spider (Owned since 2017)
1977 Spider (Sold 2017)
1979 Spider (Disposed of in 2017)
1979 Spider (Sold 2015)
1980 Spider (Sold in 2013)
1981 Spider (Sold in 1985)
2017 Spider (Owned since 2019)


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