Jim,
Add a relay to feed the sniper. Tap the starter relay for power
and trigger the relay with the old ballast resistor output (gut
the resistor and rewire). That will get power during and after
cranking.
Mike
--Indeed, Doug and Mike, those were my immediate suspicions. Oddly enough, after chasing this a bit I went to basics and tested voltage drop straight across the battery terminals and my cranking voltage is only 11 volts with two different known good batteries. Hmmm.
Now I’m not sure I have a problem, to be honest, other than this journey started with, according to Holley, the need for “a clean 12 volt ignition feed during both crank and run.”
I’m converting a 440 to Holley Sniper EFI (including Hyperspark ignition management), and in addition to feeding the EFI controller, the 12v ignition feed triggers the ignition module.
I think I’m just going to attempt living with this cranking voltage and hoping it’s sufficient for startup, knowing I have 12.6 volts during Run.
I’ll report back if interested.
Thank you,
Jim--
On Tue, Dec 13, 2022 at 8:34 PM 'Doug' via The 1962 to 1965 Mopar Mail List Clubhouse <1962to1965mopars@xxxxxxxxxxxxxxxx> wrote:
most electrical problems are a bad ground
On Tuesday, December 13, 2022, 08:17:28 PM EST, Michael <493mike@xxxxxxxxx> wrote:
As always, check the bulkhead connections.
Mike
On 12/13/2022 1:34 PM, Jim Jablonski (GroovinJim) wrote:
Thanks Neal. Got it.
Now if I can just figure out why I am only seeing 10.5 volts during cranking I will be good :-D
Jim
On Tuesday, December 13, 2022 at 12:45:36 PM UTC-5 neal wrote:
jim, i got mine for my 68 off of "my mopar" , i believe. I just printed them out and had them laminated at the copy shopneal zimmerman.
On Mon, Dec 12, 2022 at 12:11 PM Jim Jablonski (GroovinJim) <groov...@xxxxxxx> wrote:
Hi folks. Hope the Christmas season finds you well.
I'm working on a friend's '68 Barracuda and in need of the underhood and IP wiring diagrams. If you have them would you please send or post?
Thank you,
Jim
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