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-   -   Weak Charging System....? (https://www.offshoreonly.com/forums/general-q/385991-weak-charging-system.html)

ICDEDPPL 07-23-2025 05:25 PM

my bad


Brad Christy 07-23-2025 05:28 PM


Originally Posted by ICDEDPPL (Post 4931153)

:ernaehrung004:

Diamond Dave 07-23-2025 07:57 PM


Originally Posted by Brad Christy (Post 4931135)

Good to know on the A1000's. That's what the builder was recommending when we were in the process of the rebuild. Tuner tells me the difference between loud and quiet is "gear pump" and "turbine pump". My Weldon is a gear pump. I thought the Aeromotive was a turbine? Yes/no? Genuinely don't know.

Thanks. Brad.

Here is what I replaced one of my Aeromotives with:

Weldon Pump LLC 1100-A Weldon 1100-A Electric Fuel Pumps | Summit Racing

Padraig 07-23-2025 08:11 PM


Originally Posted by Diamond Dave (Post 4931163)
Here is what I replaced one of my Aeromotives with:

Weldon Pump LLC 1100-A Weldon 1100-A Electric Fuel Pumps | Summit Racing

That is the pump Eddie Yong put in my Velocity. That was 2013. Gone through another rebuild and still good.

Padraig

Brad Christy 07-23-2025 08:13 PM


Originally Posted by Diamond Dave (Post 4931163)
Here is what I replaced one of my Aeromotives with:

Weldon Pump LLC 1100-A Weldon 1100-A Electric Fuel Pumps | Summit Racing

Dave,

I wonder if This one would suit my needs @<600HP.

Thanks. Brad.

underpsi68 07-23-2025 08:13 PM


Originally Posted by Brad Christy (Post 4931115)
Part of my concern also stems from the fact that we are now charging both batteries at the same time (assuming the ACR is functioning as prescribed), whereas, prior, we were only charging one at a time, and that this may be why I'm not seeing the voltage I think I should. Is this not of relevant? Nobody has addressed this specific point.

Thanks. Brad.

I wouldn't charge both batteries on the alternator. That is putting quite a load on the alternator.

I would wait till you get back and plug the house battery into a charger.

The small blowers aren't your issue.

Brad Christy 07-23-2025 08:45 PM


Originally Posted by underpsi68 (Post 4931168)
I wouldn't charge both batteries on the alternator. That is putting quite a load on the alternator.

I would wait till you get back and plug the house battery into a charger.

The small blowers aren't your issue.

UnderPSI,

That die was cast when the decision to convert to Holley was made.

I don’t have it rigged for “start/house”. It is batt1/batt2”. Except for the ECM connected directly to batt1 and Mercathode to batt2, everything runs from the output lug of the selector switch.

Are you suggesting I find a higher output alternator?

Thanks. Brad.

liberator221 07-24-2025 03:14 AM

Running jumpers straight from power points to voltmeter would bypass all of th dash wiring to tell you if problem was in there.

underpsi68 07-24-2025 06:43 AM


Originally Posted by Brad Christy (Post 4931171)
UnderPSI,

That die was cast when the decision to convert to Holley was made.

I don’t have it rigged for “start/house”. It is batt1/batt2”. Except for the ECM connected directly to batt1 and Mercathode to batt2, everything runs from the output lug of the selector switch.

Are you suggesting I find a higher output alternator?

Thanks. Brad.

No just have 1 battery connected at a time when engine is running

snapmorgan 07-24-2025 07:11 AM

Weldon 1100A is what I have always used. I believe it is a much better pump than the Aeromotive for the same $$$


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