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Yes, lots of noise when starting. This scope makes it easy to transfer the image.

N1 yellow, N2 green, PCR blue, starter relay purple. Next blue is run#1 relay k13 Next blue is run/acc#1 relay k14

New scope C is powered, so it works with battery pack. Now I can drive with the scope. I will get ESS start with starter current.

I think the min/max numbers are from the Jeep doing the battery test. Top is key in run, next is running. DBR-dual battery relay. This is JSCAN

No question, looking at the correlation of IBS data and external battery test.

After charging batteries together.

What it does is put a small load then a larger load and with ohms law figures the internal resistance of the battery.

The TB6000 is a battery tester and charger. I purchased it three years ago when I replaced my batteries. At that time, both batteries had a health status and state of charge in the high 90 percent range.

I drove from Tucson to Seattle and back with a current shunt on my jeep. Never saw more than 50A charging current. After starting the current is 50A max then very quickly goes to 15A to 20A.

Jeep sitting for a week, 3-year-old batteries. Top is main, next is aux. I will charge both and rerun the test.

Battery tester/charger Topdon TB6000

Battery test, top is main next is aux

First picture is radio on, next is running. Radio -6.4A and charging 17.4A

The IBS data

Battery Voltage Gauge - The BCM acquires the battery voltage directly from the battery by way of the Intelligent Battery Sensor (IBS). The BCM then sends this value in a signal on the CAN-C network to the IPC for the IPC display This is from the service manual, but I just unplugged the IBS and...

Not sure what your meaning is

The voltage on the dash display comes from the IBS.

solar charger

Starter cable channel 2, aux ground channel 3. Next is main ground 2 and aux ground 3. Next two images main ground 2 and alternator 3.

Shunt reads 75mv = 150A peak, and clamp on reads 154A peak.