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Were you running the fridge from the 12V cig socket in the cargo/boot area and for how many nights? And what else were you running and from where?I cant confirm as Ineos so far only provides me one load status and that was in the 50-55% range an hour before.
I am lost if this means both are at 55 or I have half the aux battery to kill before my fridge shuts of.
Would be great to understand what Ineos planned the system to be, to understand if it works as planned or not, before we start adapting it and end up in a scenario where they might call it my fault that I killed both batteries in no time…
See my post 154. I questioned Ineos and Ctek about this wiring set up and seems it is wired correctly although not using the small red wire. My dual battery set up certainly seems to charge both batteries although I haven’t flattened the starter battery enough to tell whether the emergency start function would work by briefly joining the service battery to the starter to aid startingAndrew, are you going to connect the red wire on the D250SE to +12V ignition? I find it strange, unless the Grenadier has a conventional alternator, that the red wire on the smartpass is not connected.
Indeed, Simon, but didn't we agree so far that the power in the boot is coming from the main battery so shouldn't that be the same for you (extra switches without aux battery) and me (extra switches with aux battery)?Yep, remember you can have the extra switches/wiring without the auxillary battery (this is what I have) - I doubt the wiring changes when the aux battery is fitted
Probably. Slightly nervous if it messes up something in the currently fragile software system but it makes sense logically. I do wonder if it wasn’t connected to help with meeting a fuel consumption targetAndrew, are you going to connect the red wire on the D250SE to +12V ignition? I find it strange, unless the Grenadier has a conventional alternator, that the red wire on the smartpass is not connected.
ACK....
If the 120S is wired correctly by INEOS (which I prosume) and if there is no glitch in the installation, the 120S "load" output is the right point to connect a fridge (and any other dispensable load as well).
Not so wise IMHO. As explained earlier here, the aux batt will charge neither fully nor as quickly as possible if you don't use a "DCDC charger".....I'd only install a 250SE if I had solar panels and want to integrate them correctly in the installation.
Easy enough to find out I’m thinking about what’s going on or not with charge rates....if you have a fully charged start battery or close to and deplete your aux battery to around 50%, go for a drive for 10 minutes and with the engine running measure the voltage across the aux battery terminals, if it’s charging the aux properly I’m thinking should be over 13.7.... if volts has dropped a fair bit under this then smart charger has kicked in dropping the volts right down upon seeing a fully charged start battery (smart charger is there to help with less emissions).... any auto sparkys here could comment?See my post 154. I questioned Ineos and Ctek about this wiring set up and seems it is wired correctly although not using the small red wire. My dual battery set up certainly seems to charge both batteries although I haven’t flattened the starter battery enough to tell whether the emergency start function would work by briefly joining the service battery to the starter to aid starting
Were you running the fridge from the 12V cig socket in the cargo/boot area and for how many nights? And what else were you running and from where?
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This from the CTEK manual:I'd think so.
But the CTEK thing is still a bit unclear to me as the manual does only contain only a general description but no technical or functional details.
Looking at this wiring setup it looks like the Smartpass is just a bridge from the starting to the auxiliary battery. Thie Smartpass allows the auxiliary battery to be charged by the alternator in tandem with the starter battery. At a point where the voltage drops to a certain threshold the Smartpass is meant to disconnect the starter battery to enable you to start the vehicle. And, if there is not enough juice in the starter battery you should be able to link it to the auxiliary battery and combined they should allow the vehicle to start.Mine are advanced flooded batteries as all are I would guess EFB Plus View attachment 7821022
100%, without diagrams who knows... next best thing the vehicle - or visa verse, I'd rather the vehicle first and I guess I will.. all good things comes to.... as the saying goes.Looking at this wiring setup it looks like the Smartpass is just a bridge from the starting to the auxiliary battery. Thie Smartpass allows the auxiliary battery to be charged by the alternator in tandem with the starter battery. At a point where the voltage drops to a certain threshold the Smartpass is meant to disconnect the starter battery to enable you to start the vehicle. And, if there is not enough juice in the starter battery you should be able to link it to the auxiliary battery and combined they should allow the vehicle to start.
View attachment 7821397
This seems to be the way the IOG is wired with all loads coming from both batteries. So, if running a fridge (which is the biggest consumer of power in most vehicles) the batteries will not last all that long and this is what probably happened in this case. The fridge should probably have been connected as per the above drawing but again without having a wiring diagram this is speculation on my part.
I'm patiently waiting for my vehicle so I can figure it out.
The amber lights indicate that the Smartpass is working - no lights or a red light means ther'es an issue.View attachment 7821188
I'm trying to understand the two amber/yellow lights. They seem to be "normal" function indications but one seems to imply that the service battery is providing current to the consumers; but there's nothing connected to the consumer terminal?
So do the agents mention this? I guess not.My Grenadier as with other peoples Grenadiers on this forum who have the dual battery set up come with no loads / consumers attached to the service battery , all power sockets winch etc are connected to the main starter battery.
I’ve asked Ineos and Ctek and apparently this is a correct way of wiring up the dual battery system. See attached as per an earlier post re Ineos responseSo do the agents mention this? I guess not.
And particularly the potential need for a jump start sooner rather than later?
I'm looking fwd to someone figuring out the optimal wiring!
Right - I thought the green light showed it was working?The amber lights indicate that the Smartpass is working - no lights or a red light means ther'es an issue.
Well I guess they know best , but someone here will know betterI’ve asked Ineos and Ctek and apparently this is a correct way of wiring up the dual battery system. See attached as per an earlier post re Ineos response
So why would it have a smart alternator cable?This from the CTEK manual:
"SMARTPASS 120S:
Is a smart combination of relays (actually MOSFETS) that connects starter and service batteries. This enables current from your alternator to charge both batteries. The SMARTPASS 120S will not control the voltage applied to the service battery.
I don't think it does this unless it cannot distinguish between a current draw on the main battery for cranking and a current draw on the main battery battery for winching - essentially "smart assistance".I think it's mainly to supply plenty of short-term power for winching applications.