Hey guys
question can any of you all show me w/pictures where to hook up the battery tender in the trunk.mine was set up perfectly but got XKR detailed & seems they did the trunk as well & fiddled with the original set up...(I’m aware there’s a hook up in the spare tire area as well as within one of the little back cubbies-but not sure which cable goes where)
thanks for any and all help in advance guys!
-dag

 

My bad gang
this is one I was able to answer by looking in the owners manual just for an FYI you have to uncover the red positive (+) in the rear cubby compartment... The negative (-) can be any of the screws within the spare tire compartment

 

Careful though with the negative studs in that area. Some are painted and thus not a good ground point. The one rear-rightish is unpainted and probably the easiest one to use.

 

good to know! Thanks

 

I've posted this elsewhere but it's relevant here. This is the Jaguar recommended installation connections and socket position:





I've used these connection points for my CTEK extension harness but I've exited it through the LH rear vent instead of cutting a hole in the RH trim panel.

Graham

 

Ive gone direct to terminals with a hole drilled through the lining cover, however I believe thats ok for the 4.2, not the 5.0

 

Here is the version in GGG’s post above.

 

Jim,

I bought the CTEK extension to be able to feed from that short standard outlet to exit at the rear vent. Makes it more convenient, still no trim cutting involved and easily removed to refit in my next vehicle.

Graham

 

Thanks Graham, when the trim is in place the connector sits quite nicely above the leading edge of the boot tray and I need both my extension cables to get from the garage to the car.

 

Here's how I installed mine:

This pic shows the positive terminal behind the cover in the trunk. The rubber cap is in the way in the photo - the CTEK fly-lead connector is attached by removing the nut, placing the fly-lead connector and replacing the nut.


This shows where I made the ground connection.


This is all you see in the trunk after installation.

 

Do you all fully close the trunk lid on the tender cable or leave it open? Has anybody run the cable outside of the trunk, so you access it from the outside the vehicle?

 

No problem fully closing the trunk over the cable until it latches. I also lock the car to shut down convenience mode, even when the battery is being charged.

 

One of our members had installed the Ctek wiring with an outlet through the floor of the boot so he could plug it in that way. I ran the wiring through the spare tire compartment so that it comes out of the joint where the cover and the body meet above the rear bumper.

 

The rubber seal around the trunk easily accommodates the thin CTEK cable with no problem, so, as Stuart says, just close the trunk and double-lock the car and you are all set. I have my CTEK wall-mounted alongside the rear of the car so it is always ready. I had to buy the extension cable to be able to hook up to the short cable connector in the trunk (see my post above).

 

Thanks, GGG, for your post on the Jaguar-recommended connection of a battery maintainer.

 

I don't, the light goes out after a while, and i like the boot being open and the windows. I realise things shut down better with the car locked, but ive found the CTEK 10 is powerful enough to overcome any drain with ease.

That said im waiting for someone to constructively tell me im doing this wrong (including connectors direct to terminals), but it has worked well for me and the car is constantly aired (i have about a 4 inch gap boot opening)

 

This is how mine has been installed for years, works great with no issue. Easy to access mount points for initial install and feed it out the louvred vent cover, simple!


Like has been mentioned, it will work with or without closing the trunk. I have done both ways and regardless the next day I walk out and the maintainer shows a nice solid green light. The car does shut down after a time, I have never really tracked how long, but I have now gotten into the habit of closing the trunk as I don't want the light getting burnt out!

As for the right vs wrong mount points, isn't that just irrelevant, either it works in charging the battery or it doesn't, that is the only right or wrong in this process. I have seen something like 4 or 5 different recommendations when someone discovers a new mount that they felt was perfect, so obviously it isn't terribly critical when you are running a trickle maintainer. For jump starting I would follow the instructions to the letter, but for a minute amperage not so much.

 

It has been mentioned on here that for the 5.0 you cannot go direct to terminals, mine is just a check that it is ok for the 4.2 rather than a preference of where so to speak. Yes it works for me, just holding out for news that there will be some issue I don't know about. However as you say it's a minute amperage anyway, so what you are suggesting makes sense. Terminals works well for me because I mount my plug up high out the way.

 

wsn03, I have used my battery maintainer with either wiring configuration - negative lead fitted to negative battery post, and negative lead fitted to body ground point - and both seem to work fine. I have a 4.2 so can't speak from experience as to the 5.0 car, but it may be that the 5,0 has a battery monitoring system connected to the negative battery cable, so it's advisable not to connect the maintainer to the negative battery post. Those with 5.0 cars can confirm.

BTW, in an excess of caution, my current connection config is negative maintainer lead to body ground point.

 

Thank you Bill - I can confirm I have been told along the same lines for the 5.0 as you mention (it confuses something), was just checking there is absolutely no issue with the 4.2, however thanks for confirming it has been ok for you, that is good to know, I shall carry on as I was.