Thought i'd better keep the thread alive. Not done much due to other commitments.
After having front bumber sprayed, I wanted to restore the textured part, but found that on my bumpers it can be removed and a new part got from the dealer.
Makes the bumper look like new.
Also have been wanting to find out how to get a boot popper in there to open the delocked tailgate. Had no joy, so had a play with some metal and the welder.
As you can see. No lock hole and no wiper.
I thought about how i could secure the solenoid in the tailgate and decided to mount it on the wiper moter bracket. When you remove the motor, theres a recess the allows the solenoid to fit in there nicely.
But had to secure it there, and wanted to be able to remove and replace it easy if something went wrong.
I bent up the metal securing strips that come with the motor to make some brackets.They were bent in a way that i can remove the motor without taking off the wiper bracket. Once happy, i tacked it in place. It didnt weld great due to the type of metal/coatings but was strong enough.
Not the best pics but you get the idea.
I fixed this into the tailgate and using the supplied hardware i connected it to the lock mechanism. Once that was done, I stated on the wiring.
This is how it fits.
I wanted the solenoid to operated in two ways:
1: Using a button on my alarm.
2: From a switch inside the car.
I didn't want to have it on the rear wiper like most do, as it could be accidentally open when going along.
I used a 30A SPDT relay, powered from a fused supply in the rear of my car. And wired it like shown in the 3rd diagram below.
At the moment, only the alarm side is wired, but pin 87a will be wired to a U.S trunk release switch, powered from an ign live at a later date.
A Video showing how it works. I press and hold a button on my alarm remote to operate it, but it only works when ignition is off, hence the need for another way of opening it.