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After a tire blew out and while waiting for the flatbed for 30 min with flashers on... my 4 year old battery went dead.
Unfortunately I didn't pay close attention but the AAA guy reached up in the driver's side footwell to connect the +/red jumper lead from his battery pack. Ground to the door frame and the frunk opened up from the frunk switch near my left knee (ie, didn't use the fob).
Key point... didn't use the special access point in the fuse box. (BTW, for those that don't know, if you connect to the fusebox pullout you have to use the fob to open the frunk - I learned the hard way but I'll leave that story for another day)
Anyone know where that positive/+/red connect point up in the footwell is located? I looked up there but didn't see anything (to my untrained eye).
Your battery probably had enough power left to operate the circuit from the switch, it just couldn't start the car. Did you try and pop the frunk even before he attached the jump box?
There is only the one red fuse pullout. Jump Boxes have microprocessors in them that protect circuitry and I have found they will not power the fuse pull-out - UNLESS. you disable the safety internals by pressing and holding the Boost switch, then you get 12v for better or worse (make sure your polarity is correct!)
FWIW, turning on the four-way flashers takes very little electrical power. What does take, far and away a huge amount of electrical power, are the systems that are active any time the ignition is on. Even with the engine off, there are all sorts of systems (particularly infotainment), just sitting there, twiddling their thumbs, waiting patiently for you to do something while rapidly draining the battery. Also, just opening a door, even with the ignition off activates a whole host of electrical power thirsty systems. This ain't the old days when leaving your headlights on with the engine off was considered THE high power consumer after the Starter Motor.
FWIW, turning on the four-way flashers takes very little electrical power. What does take, far and away a huge amount of electrical power, are the systems that are active any time the ignition is on. Even with the engine off, there are all sorts of systems (particularly infotainment), just sitting there, twiddling their thumbs, waiting patiently for you to do something while rapidly draining the battery. Also, just opening a door, even with the ignition off activates a whole host of electrical power thirsty systems. This ain't the old days when leaving your headlights on with the engine off was considered THE high power consumer after the Starter Motor.
This has been my experience as well. I plugged my air compressor into the passenger side 12v socket and got a battery warning after putting a few pounds of pressure into each tire. Next time I fill my tires, I will ensure the engine is running.
@Antigravity makes a "lead" that you can hide and have it ready to go for a jumpstart, should you need it.
Thanks for bringing this up PHX.
We at Antigravity make a wire harness that connects directly to your battery (simply slip the connection behind your Battery clamp nuts after you loosen them a little and retighten, takes a minute) then you route this harness from battery windshield and hood junction over on the passenger side and tuck it away there for any time you need to use it. What it does is eliminates the hassels of connecting to the RED BUS in the fuse panel, and conneting to a ground when trying to open a frunk when the battery is dead Its fool proof in doing this because the problem with the FUSE panel method is that it is a thin gauge wire behind the fuse panel and sometimes does not provide a good current/voltage to the lacthing mechanism itself.. and it can be a bit hit or miss using the actual latch or Car's remote after it is powered this way.... but when you connect via our harnessthe entire Cars system is powered and the frunk pops easily. The next cool thing is you don't have to dink around with the fuse box area and connecting of Clamps to the RED BUSS and a Ground which also might not create a solid connection. What you do with this harness is you simply plug your jump starter connnection onto the harness and it take literally a second to connect and be able to pop your hood, or Jump start your cars since you have a good connection.
Also if you looking for a Jump Starter ours are simply a better product with a bigger battery inside, and more features than it competitors in its class like the super Popluar Amazon NOCO models. WE are literally 1/3 smaller and offer 30% more capacity and power... and we have a digital screen to read out everything.... in case you were looking at those.
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2nd + terminal for jumping?
