1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

Electrical System Upgrade Question

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Old 03-21-03, 07:00 PM
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Re: Re: Re? :p -> Re: Re: Re: Re: Re: Re: Re: Electrical System Upgrade Question

Originally posted by 85RX7GS

Digital circuits were designed to replace faulty contacts that have been proven to be inefficient. This is what I've been trying to tell narcisse91.
Haha, whatever pal. I don't think anyone knew what you were talking about...

I'm still not sure why you're paranoid about him running a new power wire, and why you think it'll mess up the "digital circuits".

Last edited by Narcisse91; 03-21-03 at 07:10 PM.
Old 03-21-03, 07:09 PM
  #27  
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Re: Re: Re: Re? :p -> Re: Re: Re: Re: Re: Re: Re: Electrical System Upgrade Question

Originally posted by Narcisse91
Haha, whatever pal. I don't think anyone knew what you were talking about...

I'm still not sure why you're paranoid about him running a new power wire, and why you think it'll mess up the "digital circuits".
It's definitely not for the simple minded, like yourself.



Is that what you think? LOL
Old 03-21-03, 07:11 PM
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Re: Re: Re: Re: Re? :p -> Re: Re: Re: Re: Re: Re: Re: Electrical System Upgrade Question

Originally posted by 85RX7GS
It's definitely not for the simple minded, like yourself.



Is that what you think? LOL
Ok, now you're going to personal attacks...

Sorry I ever bothered correcting you. My mistake.
Old 03-21-03, 07:39 PM
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Re: Re: Re? :p -> Re: Re: Re: Re: Re: Re: Re: Electrical System Upgrade Question

Originally posted by 85RX7GS
Digital circuits were designed to replace faulty contacts that have been proven to be inefficient. This is what I've been trying to tell narcisse91.
The charging system is binary?
Old 03-22-03, 08:45 AM
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Driven a turbo FB lately?

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RMD that sounds fine, thats exactly what I did on mine too, but I would recommend re grounding the battery to the frame and grounding the alternator bracket to the frame... The strut tower bolts work great for this task... Also the slotted part on the alt bracket makes a nice place to use a spare bolt and make a new ground, w/o interuppting the torque of other botls on the motor itself
Old 03-22-03, 11:29 AM
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Hey to point out the obvious, but if it's not charging well at idle but it is >1000 rpms, you need to change your alternator pulley. It's too big.

Caveat-------->If you go too small on the pulley, you'll burn up the alternator bearings if you hit 7500 rpms on a consistent basis.

Your problem was not with the wires at all....
Old 03-22-03, 04:17 PM
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Except I used to get 13.5 volts before the battery died with this same alternator pully (which is also the same diameter as stock). Then, the battery died, wouldnt take a charge (started sitting below 12 volts at idle), and now I think it fried my voltage regulator again (or at least gave it a good shot) because the battery wouldnt take a charge so it was "working too hard". This is exactly what happened last time. Ive had three of these damn alternators now. Last time, the battery was dead, I put a new alt in with an old battery and fried the regulator trying to use the alternator to "charge" the battery. So, I have a feeling this alternator is on its way out...Again. Always buy with lifetime warranties .

~T.J.
Old 03-22-03, 07:22 PM
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Once the battery died, did you replace it? So, the new battery with the same alternator and pulley couldn't hit the 13.5v at idle? If it was the same battery, it needs to be tossed or you need to have a deep discharge done to it and then a slow charge to kill the surface charge it has taken on. Course, if you got a new battery, never mind....
Old 03-22-03, 07:39 PM
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I have a brand new battery, and it still doesnt hit 13.5 at idle. I replaced it at Sears and got a brand new one off the shelf. This is the same thing it did the last time. I had an old Die Hard, got a new alternator, then, fried the voltage regulator cause of the dead battery. I swapped the alternators again, got a new battery and all was fine. Well, I killed my battery, and then continued to drive it like that, so now I think I kinda roasted my regulator again. At least to the point its not compensating for electrical accesories when they are tuned on like it used to.

~T.J.
Old 03-22-03, 07:49 PM
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things that make you go, "Hmmmmmmmmmm...." ...these stock alternators or did you do the 80 amp alt conversion?
Old 03-22-03, 07:58 PM
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Stock replacement.

~T.J.
Old 03-22-03, 09:01 PM
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