Technical Horn Problems

[Stule12]

I have a punto 1.4 GBT 62 plate and the horn has given up. I changed the indicator stalks a couple of years ago so hoping its not at the steering wheel end so thought I would check elsewhere first.

Arch liner screws are rusted up so waiting on some replacements before i drill them out and drop the bumper off and check the voltage on the horn.

In the meantime I thought I'd check the fuse and the relay. All the wiring diagrams I can uncover show a different fuse box with a fuse and relay not just a single fuse.

The fuse box is as below and think F10 is the horn fuse but no relay?

Anyone got access the to relevant wiring diagram or can offer any advice.

 

[GrandePunto PL]

"No relay"?
https://aftersales.fiat.com/elearnsections/main.aspx?nodeID=199008328&languageID=2&markID=1&modelID=199000000&valID=199000001&prodID=199000000&modelName=Fiat - 199 - Grande Punto&langDesc=English&sectionName=Impianto Elettrico&validityName=1.4 8v&isExaminer=

https://aftersales.fiat.com/elearnsections/main.aspx?nodeID=199009538&languageID=2&markID=1&modelID=199000000&valID=199000001&prodID=199000000&modelName=Fiat - 199 - Grande Punto&langDesc=English&sectionName=Descrizioni&validityName=1.4 8v

 

[Mike1alike]

Arch liner screws are rusted up so waiting on some replacements before i drill them out and drop the bumper off and check the voltage on the horn.

You'd be better off checking the voltage on the horn. Because usually there is their problem. Horn contacts and connected cables contacts oxidized.

 

[Stule12]

"No relay"?
https://aftersales.fiat.com/elearnsections/main.aspx?nodeID=199008328&languageID=2&markID=1&modelID=199000000&valID=199000001&prodID=199000000&modelName=Fiat - 199 - Grande Punto&langDesc=English&sectionName=Impianto Elettrico&validityName=1.4 8v&isExaminer=
View attachment 478374

https://aftersales.fiat.com/elearnsections/main.aspx?nodeID=199009538&languageID=2&markID=1&modelID=199000000&valID=199000001&prodID=199000000&modelName=Fiat - 199 - Grande Punto&langDesc=English&sectionName=Descrizioni&validityName=1.4 8v

Thank you thats really useful. Much appreciated.

 

[Stule12]

"No relay"?
https://aftersales.fiat.com/elearnsections/main.aspx?nodeID=199008328&languageID=2&markID=1&modelID=199000000&valID=199000001&prodID=199000000&modelName=Fiat - 199 - Grande Punto&langDesc=English&sectionName=Impianto Elettrico&validityName=1.4 8v&isExaminer=
View attachment 478374

https://aftersales.fiat.com/elearnsections/main.aspx?nodeID=199009538&languageID=2&markID=1&modelID=199000000&valID=199000001&prodID=199000000&modelName=Fiat - 199 - Grande Punto&langDesc=English&sectionName=Descrizioni&validityName=1.4 8v

Thank you, very much appreciate the diagram. Fuse box diagram i found didn’t have the correct label for the horn fuse. That makes much more sense. I can check if the relay is getting a signal and narrow it down now.

"No relay"?
https://aftersales.fiat.com/elearnsections/main.aspx?nodeID=199008328&languageID=2&markID=1&modelID=199000000&valID=199000001&prodID=199000000&modelName=Fiat - 199 - Grande Punto&langDesc=English&sectionName=Impianto Elettrico&validityName=1.4 8v&isExaminer=
View attachment 478374

https://aftersales.fiat.com/elearnsections/main.aspx?nodeID=199009538&languageID=2&markID=1&modelID=199000000&valID=199000001&prodID=199000000&modelName=Fiat - 199 - Grande Punto&langDesc=English&sectionName=Descrizioni&validityName=1.4 8v

 

[Mike1alike]

Let us know where the problem was, after you find it.

 

[Stule12]

Let us know where the problem was, after you find it.

Will do.