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post #1 of 14 (permalink) Old 06-13-2019, 06:05 AM Thread Starter
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first time posting

Good morning, sorry if I'm posting in the wrong place I'd like to apologize in advance. I own a 1983 Alfa Romeo veloce Spider. My alternator lite is on but according to the parts store the alternator is working. If anyone has an idea on this issue please let me know as I do not have the wiring diagram. Also I am looking for a reasonable cost on a turn signal switch, it is the one with the three levers. If you have any suggestions it would be greatly appreciative

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post #2 of 14 (permalink) Old 06-13-2019, 07:31 AM
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the alt light is fed by a green wire from alternator to that main connector block (under the hood on fender, near your speedo counter thingy) and from there direct to the instrument.

check green cable is clean and tight at both alternator and connector block ends.

It could also be the voltage regulator (this is built into the back of the alt, but easy and cheap to replace in situ)
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Dom - Alfa Spider 1990 S4 - formerly: Alfa 101 Sprint, 2600 Sprint, Montreal - family classics: Jensen Interceptor II, '58 Hooper RR Silver Cloud I, Shadow II, '60 Corvette.
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post #3 of 14 (permalink) Old 06-13-2019, 07:48 AM
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Also, is the light on full brightness, or are you just seeing some faint illumination (which is not uncommon)?
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post #4 of 14 (permalink) Old 06-13-2019, 07:53 AM Thread Starter
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The light is on full bright, thank you for the help!

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post #5 of 14 (permalink) Old 06-13-2019, 09:56 AM Thread Starter
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System is charging at 13.8 volts green wire good at both ends.
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post #6 of 14 (permalink) Old 06-13-2019, 09:58 AM
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IIRC, the warning lamp bulb has to be a specific wattage (but I don't recall what that wattage is...). If the bulb is replaced by one the same physical size but a different wattage the warning system doesn't work properly.

And, not that I don't believe the auto parts store, a simple test is to connect a voltmeter to the battery (a dash gauge is often not wired correctly for this purpose). With everything off a fully charged battery should read ~ 12.6V. Next start the engine and see what the voltmeter reads. At idle it might show battery voltage and the warning lamp might be lit. Rev up the engine to ~ 2,000 - 2,500 rpm. The voltmeter should now show something in the range of 13.8V - 14.5V. If it goes up and keep rising (over 15V) then the regulator is not regulating. If it barely goes up (say, 13.2V) then I'd suggest cleaning all connections in the alternator to battery circuit (including grounds) and then re-testing. If still low the alternator is not charging properly.

Search the for sale section and eBay for a good used switch. What is wrong with yours? Here some info about taking it apart to clean the contacts inside: https://www.alfabb.com/bb/forums/spi...lean-lube.html & https://www.alfabb.com/bb/forums/spi...ior-light.html

And, PS - welcome to the asylum. Don't neglect to post some photos. We like photos.
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post #7 of 14 (permalink) Old 06-13-2019, 10:09 AM Thread Starter
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I'm missing the arm on the turn signa switch. I just bought the car, it wasn't running but I replaced the fuel lines, repaired the vacuum leaks and now it runs great except when it's cold. I took it for a drive and the center bearing section is clunking but other than that it feels good.I have to systematically fix 1 problem at a time. I'm 52 years old I dont know if I will live long enough to accomplish that task but I'm an optimist. thanks for all the help, you guys are awesome!
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post #8 of 14 (permalink) Old 06-13-2019, 10:27 AM Thread Starter
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I paid $500 for the car. But it definitely needs work.
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post #9 of 14 (permalink) Old 06-13-2019, 12:08 PM
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Ouch, good on you for keeping it in motion.

Cheers,
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post #10 of 14 (permalink) Old 06-13-2019, 12:28 PM
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For $500? Great find. Welcome!
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post #11 of 14 (permalink) Old 06-13-2019, 12:46 PM Thread Starter
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Thank you
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post #12 of 14 (permalink) Old 06-13-2019, 06:51 PM
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Keep the updates coming!

Alfa parts exchange and posting a want to buy on the classifieds section of this forum should be able to help with any parts needs.

Good luck!! Looking good for $500!!


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post #13 of 14 (permalink) Old 06-15-2019, 06:11 AM Thread Starter
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The problem was in the fuse box, bad contact on the fuse panel. Thank you all for your help. I now have the tachometer, fuel gauge, charging light corrected. Car is running after replacing all the fuel lines and repairing vacuum leaks. Still need to figure out the cold start valve issue, has voltage but no spray. I feel like I have made great progress. Once I get the car driving right next is the body work. Thank you all for the help!
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post #14 of 14 (permalink) Old 06-15-2019, 07:39 AM
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500! That's a deal!

All the $500 cars I've seen are good for parts only. Congrats & welcome to the board.
FYI, we like pictures, to put it mildly.

"No chance, no destiny, no fate can circumvent, change or control the firm resolve of a determined soul"

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