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I traced it tonight and it goes into the fuse box area and not to the main battery in my 2021 Mojave.

And another thing, I kind of remember tracing the the main wire from the alternator directly to the main battery but the diagram a few posts up shows the alternator connecting to the N7 terminal. I can verify this tomorrow.

I don't want to take too much stuff apart to expose the relay and test so if there is any info available on where the ESS relay coil wire goes, like to the fuse box, etc, that would help me a lot.

A good way to prove or disprove all this would be to find an easily accessible point to measure coil voltage on the ESS relay. If it gets energized by 12v during cranking then the batteries are separated. I could measure voltage on the main batt and at N1 to get an idea like the main is pulled...

If both batteries are paired during normal cranking then a dead (as in no capacity) AUX battery should not prevent the vehicle from starting. Several people have reported not being able to start the vehicle when the main battery is good but the AUX battery is dead. That would point to the ESS...

So here is a question that may answer why the video jump start worked. When starting the vehicle at any time, does the ESS relay open every time using only the main battery for cranking while the AUX battery is only powering the electronics? If this is true then if the AUX battery has failed as...

The Shadow guys explanation is correct and something is fishy in the video like the fuse to the AUX battery is blown or the ESS relay is bad, etc. At rest both batteries should be in parallel and it would be impossible for one battery to be dead and the other charged. Since the big battery is...

It doesn't matter much if all speakers in a system are reverse polarity, it does matter if they are different polarity within the same system. The thought is a kick drum or other percussive sound should make the speaker go outward on the positive going leading edge of the signal but some...

You want to match the polarity of whatever speaker you are replacing and if you swapped out other speakers and didn't verify polarity you should do that now. I would also not rely on a small connector on a front speaker also being the same polarity on a rear set of speakers, they need to be...

You can test speaker polarity with a 1.5 volt battery like an AA. When the speaker cone goes forward or outward the battery + will be audio +. If the speaker goes inward then reverse the battery and the cone should go outward and you will know the polarity.

Mounting location depends on if the antenna will match and how much range you need. If the antenna matches ok and your not trying to talk 30mi down the road then its all good. I have repeaters that can be 75mi or more away and need all the range I can get. In one of these threads I had...

Wow, that CB antenna is so big it ate the stock AM/FM antenna!

They can work through fiberglass, plastic and other RF transparent materials. A through the glass antenna is designed to match and work well with a capacitor at the base and the large foot of the antenna and the tuning box face are the plates of the capacitor with the glass being the insulator...

My recollection of the wiring is the alternator charging cable goes directly to the main battery then charging current makes its way to the aux battery via the N2 and N3 connections. I would never try and jump start by connecting to the N1 terminal, the cable, connections and fuse were never...

I think the American national standard is 120V +/- 5% which would be 114 to 126V.

I tested my JT with a true RMS meter and with the engine running its 95.4 volts AC. A cheap Chinese plug in AC line monitor reads 91 volts under the same conditions. 95 volts will not do and it can damage some equipment similar to a brown out. I'm going to see what I can dig up to convince my...

Yes on this! Try a different meter and look for one that reads "true RMS" which will cost a bit more. I have not measured my JT inverter but its most certainly a modified square wave and that can drive some meters nuts. I will sometimes use an old analog meter for stuff like that. When I get...

Here is an under hood night time pic and its difficult to get a camera up in there. The mount has two set screws that dig into the folded over underside of the hood. It doesn't damage the top side which has a rubber pad and I've probably put on around 200 of these mounts in my time.

Glad Jeeper - Not a good way to mount that antenna, its designed to sit directly on flat sheet metal so there is a ground plane right under it. Raise the antenna above the ground plane and performance goes down and it can be hard to achieve a good match. Running power wires direct to the...

I would not waste glove box space on that, put it under a seat or tuck up under the dash somewhere. If you have AUX power switches the power cables are under the dash below or behind the glove box. If it goes under a seat or even under the rear seats you can poke a hole in the carpet and run a...