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Old 12-03-2005, 05:25 PM
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348 Turn Signals non functional

like the subject says. could it be the fuse? i cant find the manual so i need some help. does anyone know which number fuse to replace. both of the turn signals dont work but the hazards do. please help. thanks alot.
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Old 12-03-2005, 06:06 PM
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It should be Fuse nr.7 in the passenger foot rest , counted from right to left of the upper line of fuses. 10 Ampere. If its this fuse your reverse driving light shouldn't work also. Hazard lights have an different fuse its Nr 16. Thats why these are still working.

ps: you can download the user manual for free on the ferrari owners club website.
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Old 12-03-2005, 08:51 PM
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Quote:
Originally Posted by Samy
It should be Fuse nr.7 in the passenger foot rest , counted from right to left of the upper line of fuses. 10 Ampere. If its this fuse your reverse driving light shouldn't work also. Hazard lights have an different fuse its Nr 16. Thats why these are still working.

ps: you can download the user manual for free on the ferrari owners club website.
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Good post by the new 348 guy on board!

Nice job.
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Old 12-04-2005, 07:27 AM
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Derrick,
Samy is right. You would be amazed how much info is in the owners manual and you can get it in PDF form (very handy) directly from Ferrari once you have registered with them at their site.

http://www.owners.ferrari.com

It takes a couple days to get your password back, but a very good site once you can get in!

Birdman
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Old 12-04-2005, 07:37 AM
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Old 12-06-2005, 12:10 PM
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thanks alot guys for the help... i'll change it today....i just joined that ferrari club and i got the manual...what would i do without you guys...jeeze =)
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Old 12-06-2005, 12:42 PM
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A new fuse isn't going to FIX the problem, unless the old fuse is loose, dirty, missing, or defective. Fuses blow because there is an electrical overload or a direct ground in the circuit. Checking the fuse is the first step in diagnosing the problem, but you may not be done at that point. You could still have an electrical short in the system, a bad turn signal switch, an unplugged connector, bad contacts in the hazard flasher switch, etc. The 348 uses only one flasher relay for the turn signals and the hazard flasher, so that appears to be OK.

Keep us posted.

Edit: Also bear in that mind that since the back-up lights are served by the same fuse, there is a fairly strong possibility that a problem with the back-up light circuit blew the fuse to your turn signals (if the fuse is indeed blown out).

Last edited by Miltonian; 12-06-2005 at 01:12 PM.
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Old 12-06-2005, 07:50 PM
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My turn signals stopped working a few weeks ago and it was simply dirty flasher contacts. Just unplugging the flasher then plugging it back in cured the problem (followed by a good contact cleaning to keep it from happening again too soon). My flasher is located on the driver's side behind the left, carpeted kick panel, right at the top so the panel does not have to be removed.

Bob

Last edited by resnow; 12-06-2005 at 07:51 PM.
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Old 12-06-2005, 09:22 PM
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It has also been seen that the turn signals will sometimes stop working, then you turn the hazard flasher on and let it cycle for a while, shut it off, then the turn signals start working again by themselves. That's always worth a try before tearing everything apart. But first let's see if the fuse is OK.
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Old 12-07-2005, 04:52 PM
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ok im gunna try all ur methods... hope its nothing more than a fuse or a lose wire.. thanks guys and i'll keep you posted
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Old 12-07-2005, 06:37 PM
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ok i changed the fuse and it worked... now the reverse works and the turn signals. thanks again everyone. wut would i do without u guys...damn...
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Old 12-07-2005, 06:51 PM
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So, was the old fuse visibly burned out? Wonder what caused that?

Glad it's working again!

Last edited by Miltonian; 12-07-2005 at 06:54 PM.
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Old 09-04-2006, 10:56 PM
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Quote:
Originally Posted by Miltonian View Post
It has also been seen that the turn signals will sometimes stop working, then you turn the hazard flasher on and let it cycle for a while, shut it off, then the turn signals start working again by themselves. That's always worth a try before tearing everything apart. But first let's see if the fuse is OK.
Thanks, reading this post saved me some time.

I replaced my fuse blocks and all of my relays at the same time....no turn signals. Just before I was about to tear into them I searched the website and found this post. Cycled the hazzard lights ands boom the turn signals began to work.

I had also just lubricated my steering column with spray so I thought it may have been the switch. Who knows have far I would have went before I tried the hazzard lights.
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Old 09-04-2006, 11:05 PM
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Totally cool! I hope they continue to work normally.
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Old 04-06-2009, 03:11 PM
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348 Turn Signals non functional

Quote:
Originally Posted by resnow View Post
My turn signals stopped working a few weeks ago and it was simply dirty flasher contacts. Just unplugging the flasher then plugging it back in cured the problem (followed by a good contact cleaning to keep it from happening again too soon). My flasher is located on the driver's side behind the left, carpeted kick panel, right at the top so the panel does not have to be removed.

Bob
My hazards work and my left signals work, but not my right. What do you think maybe the switch? When it rains it pours
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Old 04-06-2009, 08:05 PM
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You say the hazards work - when you turn on the hazards, do all four of the turn signals AND the indicator lights on the dash come on? When you turn on the right turn signals, does ANYTHING happen (either outside or inside lights? clicking sound?)? Are the brake lights and tail lights operating normally?

Yes, it may be the switch, but I'm hoping it's something simpler.
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Old 04-07-2009, 10:40 PM
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348 Turn Signals non functional

Quote:
Originally Posted by Miltonian View Post
You say the hazards work - when you turn on the hazards, do all four of the turn signals AND the indicator lights on the dash come on? When you turn on the right turn signals, does ANYTHING happen (either outside or inside lights? clicking sound?)? Are the brake lights and tail lights operating normally?

Yes, it may be the switch, but I'm hoping it's something simpler.
When I turn on the hazards all four turn signals flash and the indicator lights on the dash come on. When I turn on the left turn signal the front and rear signals flash as well as the dash indicators plus I hear the relay clicking. When I turn the right turn signal on I hear the relay clicking but no signals front or back.Not sure about the brake and tail lights, I'll find out tomorrow. Wierd huh. Thanks Jeff
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Old 04-08-2009, 03:34 AM
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Sounds to me like a switch problem, but I'm still interested to hear about the brake lights and tail lights, in case there is a bad ground. Have you tried the switch in a "half way" position to see if that brings on the exterior lights? I hate to think what a new switch would cost, and I'm sure it's not built to be easy to repair, it's probably molded together. You've proven that the wiring from the switch to the lights is in working order, and the bulbs and bulb holders are OK, and the flasher SEEMS to be OK. My guess would be that it's lost continuity between two contacts inside the switch.

Update: It's a combination switch (turn signals, headlights, and wipers) Ferrari part #154563. Ricambi price over $2000. Hope it doesn't come down to that.
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Old 04-08-2009, 12:37 PM
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Unhappy 348 turn signals non functional

Holy Molly!! Me either that's a hunk of change. I'm surprised there is no other part from someone else that's interchangable. I'll check the things you mentioned and get back you guys. Thanks again
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  #20  
Old 04-08-2009, 02:42 PM
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Column switch repair

Try Verell at unobtainum.com..he has helped many ..snatched them from the "JAWS of H....".
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