[TOW BAR VEHICLE SPECIFIC WIRING EASY AND 7 PIN]

 

here is a pic of tow bar wiring to use the way your car was intended

 

 

and one for 7 pin no bypass relay required

 

[make your own vehicle specific tow bar wiring]

if you have a different model want to make one   here is a list of what i did

1. get a wiring diagram for the trailer connector

2. take a picture of your connector ( there usually delphi type 280)

3 .workout the wiring from the wiring diagram

if you are buying new wire for this then consider updating your caravan/trailer wire at the same time i had updated my caravan before up grading to my antara so i used the old cable

if you need help then post here

[programing the cim]

don`t buy opcom v1.99 it is guaranteed fake if you update it  you will brick it look for one that has no d5 diode and c22 capacitor i have heard the v1.95 is the least likely to have fake chips

[make your own vehicle specific tow bar wiring]

i added an extra earth to position M for battery earth pin 13 ( there is a bung in M that needs to be removed )

i used position K as fridge earth pin 11

i put a jumper wire between pin 3 and pin 12 on the caravan side to send connection signal to position J

i used position B as fridge +( only problem is this is live all the time )

[make your own vehicle specific tow bar wiring]

here is a vehicle specific antara wiring diagram

[Battery going dead flat - shows no voltage. After running fo]

your new battery is good 12.6v is normal   when fully charged  it can be anywhere between 12.6 and 13.2v the 14.4v is the charging voltage of your alternator

as to losing all power there might have been a interior light left on