Hello and welcome. Thank you for trusting us with your vehicle concerns, I will do my best to help you with your question.
Normally we will use a jump box that plugs into the cigarette lighter to power the vehicle to get the trunk opened. If one is not available then you could jump it to the fuse box, (in the car) terminal "BATT" and any metal for a ground. That will also power the vehicle up enough to get the trunk to open.
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How do you "jump it" to the fuse box in the car terminal "Batt" and ground? Where is the fuse box located inside the car? We do not have a jump box
OK - so using Jumper cables...got the negative to the door hinge - regarding the positive to the trunk fuse box - what should we specifically clip onto? The sides or...? please specify (please don't get defensive...I just do not know what you are referring to)