Member Since: 08 Feb 2010
Location: Gorinchem
Posts: 199
Tow bar electrics no ignition switched wire
I installed the cable loom for the 13 pin tow bar electrics.
Oddly when checking for power at the towbar fuse box, the number 2 fuse, that should have an ignition feed, has permanent power on it.
According to the manual only number 3 should have permanent power. But I have permanent power on both 2 and 3. Is this common?
Is there anybody with a 13 pin tow hook connector who can check if the top blue fuse is ignition switched or has permanent power in his car?
Cheers Bernd
13th May 2010 4:58 pm
Spooky
Member Since: 02 Jun 2009
Location: Swindon, Wilts
Posts: 1013
According to the wiring diagram, the top 2 fuses should be constant Live.
The ignition supply to the trailer socket comes from the top fuse, which then goes via a relay which is operated by the ignition switch.Regards,
Mick
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13th May 2010 8:18 pm
berndv
Member Since: 08 Feb 2010
Location: Gorinchem
Posts: 199
Hi Spooky,
Thanks for your comments.
According to the owner handbook, the top fuse is for the brake lamp,
Assuming that where you mention 'the top 2 fuses' this refers to fuse 2 and 3 on the fuse box, it makes sense: Constant live on the fuse only to be ignition switched with a relay after the fuse box.
Do you by any chance know where this relay is located?
I was looking for an easy point to get my ignition power. If the relay is far away, I will get it from the back of the 12 socket. Need to remove a panel to get at the back of the socket though.
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