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Joined: Mar 2011
Posts: 47
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Joined: Mar 2011
Posts: 47 |
Last night for the first time, I turned off the ign ition on my bird, and noticed the alt, or gen light came on, I turned key on and light went out, turned key off and light came on again, Ive tried to find cause, but am having no luck, HELP, If you can help, I would appreciate it , thanks
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Joined: Dec 2007
Posts: 10,338 Likes: 3
Premium Member
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Premium Member
Joined: Dec 2007
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Give your voltage regulator a good 'rap' with the handle of a screwdriver. The regulator is bolted to the upper part of the firewall. It is about 2"x2"x2" or so, and usually is gloss black. I've had this intermittent problem on my '67 since I replaced it. It acts up on mine every couple of months or so. I haven't replaced it because this high tech fix seems to work fine.
I used to be indecisive. Now I'm not sure. I feel like I am diagonally parked in a parallel universe. 1968 400 convertible (Scarlet) 1976 T/A - 455 LE (No Burt) 1976 T/A New baby, starting full restoration. 1968 350 - 4 speed 'vert - 400 clone (the Beast!) 1968 350 convertible - Wife's car now- 400 clone (Aleutian Blue) (Blue Angel) 2008 Durango - DD 2008 GXP - New one from NH is AWESOME! 2017 Durango Citadel - Modern is nice! HEMI is amazing! 1998 Silverado Z71 - Father-daughter project 1968 400 coupe - R/A clone (Blue Pearl) (sold) 1967 326 convertible - Sold  1980 T/A SE Bandit - Sold
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Joined: Mar 2011
Posts: 47
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Joined: Mar 2011
Posts: 47 |
awesome, thank you very much, been beating myself up over it, didnt think of that, works great, wondering if i lay a hammer next to it, if it will behave, LOL, thanks again
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Joined: Dec 2007
Posts: 10,338 Likes: 3
Premium Member
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Premium Member
Joined: Dec 2007
Posts: 10,338 Likes: 3 |
For what it's worth, the problem seems to diminish over time. But it has taught me to really pay attention to the idiot light when I remove the key from the ignition. My mechanic buddy said this was a common issue with replacement regulators dating way back when.
I used to be indecisive. Now I'm not sure. I feel like I am diagonally parked in a parallel universe. 1968 400 convertible (Scarlet) 1976 T/A - 455 LE (No Burt) 1976 T/A New baby, starting full restoration. 1968 350 - 4 speed 'vert - 400 clone (the Beast!) 1968 350 convertible - Wife's car now- 400 clone (Aleutian Blue) (Blue Angel) 2008 Durango - DD 2008 GXP - New one from NH is AWESOME! 2017 Durango Citadel - Modern is nice! HEMI is amazing! 1998 Silverado Z71 - Father-daughter project 1968 400 coupe - R/A clone (Blue Pearl) (sold) 1967 326 convertible - Sold 1980 T/A SE Bandit - Sold
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Joined: Jul 2005
Posts: 3,889
Senior Member
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Senior Member
Joined: Jul 2005
Posts: 3,889 |
Do you have a internal or external regulator? External is on the firewall, internal is in the alternator. If you have the internal, the diode has gone bad.
Tom '69 Firebird 400 4spd conv  
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Joined: Mar 2011
Posts: 47
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Joined: Mar 2011
Posts: 47 |
external volt reg. tapped it, and light went out, who knew, well, I guess the guy that said hit it with a screw driver, thanks
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Joined: Dec 2007
Posts: 10,338 Likes: 3
Premium Member
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Premium Member
Joined: Dec 2007
Posts: 10,338 Likes: 3 |
well, I guess the guy that said hit it with a screw driver, thanks No problem. That'l be $49.99. I take cash! 
I used to be indecisive. Now I'm not sure. I feel like I am diagonally parked in a parallel universe. 1968 400 convertible (Scarlet) 1976 T/A - 455 LE (No Burt) 1976 T/A New baby, starting full restoration. 1968 350 - 4 speed 'vert - 400 clone (the Beast!) 1968 350 convertible - Wife's car now- 400 clone (Aleutian Blue) (Blue Angel) 2008 Durango - DD 2008 GXP - New one from NH is AWESOME! 2017 Durango Citadel - Modern is nice! HEMI is amazing! 1998 Silverado Z71 - Father-daughter project 1968 400 coupe - R/A clone (Blue Pearl) (sold) 1967 326 convertible - Sold 1980 T/A SE Bandit - Sold
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