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Search results for query: ammeter gauge bypass

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  1. Coelacanth

    Almost afraid to share another ammeter bypass question...

    Since I have my instrument panel out and having read hours of threads on ammeter gauge bypasses, and seeing as my car's wiring is all fortunately intact and not full of scorchies and melties, I want to do what I can to reduce a future fire risk. I already have the battery terminal disconnect...
  2. Canadian1968

    1969 Roadrunner Fusible Link Burning Hot to Touch When Running / Fine With Engine Off / Help Troubleshoot

    If you have installed a voltmeter , unhooked the ammeter and tied those wires together the same weak link at the bulkhead still remains. Voltmeter or ammeter, if you load the system incorrectly the same weak link is still there . Remember the weak link is the bulk head NOT the gauge. Now if...
  3. 72RoadrunnerGTX

    Almost afraid to share another ammeter bypass question...

    Careful with that Mopar Connection article, it promotes the parallel “shunt wire bypass” approach, just more misinformation about this charging system I’m afraid. Circuit protection for the entire vehicles unfused wiring and components is severely altered with that parallel wire run. Voltmeter...
  4. 72RoadrunnerGTX

    Bypass the Amp guage in my 69 440 GTX?

    Yikes, that’s what’s become known as the “shunt wire” bypass, very dangerous for an all-stock system as it circumvents the designed circuit protection for all stock unfused wiring. With it in place it will also disable most of any ammeter response as charging current is routed across the shunt...
  5. C

    Found this writeup on how to convert your Amp gauge to a Volt meter.

    For my 67 Charger, my ammeter gauge is working fine I doubt if I can find a voltmeter that could be a close match. I've already upgraded the headlights to LED and plan on doing the same for all the bulbs in the car. That should have less of a draw on the cars wiring. How much of a draw could...
  6. 72RoadrunnerGTX

    Bypass the Amp guage in my 69 440 GTX?

    What’s the concern with the ammeter? The Packard terminals in the charge path bulkhead connector are by far the weakest link in the original design. The earlier screw terminals pictured above are a better design but would not apply to a ’69. Better off bypassing the Packards or doing the fleet...
  7. twecomm

    Almost afraid to share another ammeter bypass question...

    As you well know from your reading, there are many opinions on this and I'm sure others would disagree... If your cars wiring is sound, insulation not crumbling, free of green corrosion leaching out at bulkhead connector other crimped connections and you have not added anything in the way of...
  8. C

    Found this writeup on how to convert your Amp gauge to a Volt meter.

    For my 67 Charger, my ammeter gauge is working fine I doubt if I can find a voltmeter that could be a close match. I've already upgraded the headlights to LED and plan on doing the same for all the bulbs in the car. That should have less of a draw on the cars wiring. Now what if some relays...
  9. 72RoadrunnerGTX

    Alternator gauge bypass?

    Technically it’s an ammeter, no shortage of posts/threads about ammeters here. The pictures of the ammeter and terminals in OP show no indications of previous heat damage. As mentioned focus on the weakest link in the original charging system, the Packard terminals in charge path in the bulkhead...
  10. MrDee

    Bypass the Amp guage in my 69 440 GTX?

    My amp meter has been acting erratic for the last month. Reading high, then reading nothing, then reading Discharge then reading normal. When I read the charge with a meter, the voltage output is steady and consistent while the amp meter is moving around. The vr is new, the alternator is new and...
  11. C

    Larger alternator amp/volt gauge help

    Is it possible to do the bypass but add two leads up to the ammeter? That way would the ammeter still work without all the strain on it.
  12. M

    Horn relay power question

    Thank you so much! It looks like.. if I understand this all right, which I think I do.... A) The factory alternator wiring will stand as it will feed the horn relay (violet) and "splice 1" (black) of the dash harness. However, I will add a fused #6 from the battery positive over to the...
  13. 72RoadrunnerGTX

    1969 Roadrunner Fusible Link Burning Hot to Touch When Running / Fine With Engine Off / Help Troubleshoot

    Agreed, this level added loads along with a high powered alternator should really have complete up-sized charge path wiring bypassing the bulkhead Packard terminals, a fleet bypass at a minimum.
  14. ynst

    Diagnosis MOPAR Charging System

    I totally agree with the volt meter being useless as a charging system monitor but when Detroit started building higher capacity charging systems they switched to volt meters and idiot lights as the ammeter technology was limited to 65-ish amp systems. 100 amp internal-shunt ammeters are...
  15. RJRENTON

    Replaced the alternator and voltage regulator in my 66 Dodge Charger and it’s still not charging. What else could be the problem.

    Its highly likely that you were sold a newer "rebuilt" square back unit....that would require one (of the two field brushes to be grounded) especially if you only have one field wire connection to the original alternator....a green wire. (If it's a dual field and one field is not grounded, it...
  16. bcOH67

    Ammeter bypass (or whatever you call it)

    Been trying to read into this as I’m rewiring things and I’ve seen different posts on this but still don’t have a clear idea… All that I have to do is create a wire that goes from the alt stud to the starter relay, and things are ‘safer’? It’s been running fine as is, I’m just rewiring things...
  17. toolmanmike

    Volt meter conversion for 66 Plymouth???

    I have seen a thread or two on A bodies. You have to find a volt gauge the same size and sweep that the original gauge is, disassemble it and put it in place of the original gauge. I will see if I can find the thread.
  18. Austin Charger

    Alternator wiring update wiring diagram using higher AMP alternator

    I've been using my Bayite BYT-VAM-036 digital volt/hall effect ammeter for 1 year now and I have been able to get a lot of good information from it. Accuracy is +/- 1% and indicates direction of current flow so could be used in place of /in addition to factory ammeter. Nice feature is the hall...
  19. Kern Dog

    Are you ready for a real weird one? Random NO spark from a MP electronic ignition system despite numerous parts swapped around...

    The red wire that is continuous through the bulkhead plug was part of the ammeter bypass I did in 2015. I changed the instrument panel too, to a style that used a voltmeter. The 12 gauge wire has a fusible link then is connected to the starter relay. This powers up the interior. NO charging...
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