Isn't the C8 the same as the Ulysse? I have just fitted a wiring kit to my
Ulysse in 10mins flat. You undo the plugs from the rear lights plug the
corresponding plugs, plug in the power thread the cable and connect into
I got a Westphalia (sp?) kit. My mistake was to get the kit without the
fridge and charging addon. I will get a split charge relay later and fit
but need the van this weekend.
brian ( email@example.com) gurgled happily, sounding much like they
were saying :
Oh, yes, it does.
Some modern cars pulse the bulbs instead of providing a straight feed,
meaning only one filament is required for both tail and brake. Others
require the body control computer to know that there's going to be the
extra load, else indicators flash wrongly and bulb failure units misbehave.
I don't know about the C8 in detail, but if multiplexed cars are wrongly
towbar wired, it can get utterly horrific, AIUI.
Sorry Brian, but they can...
Some BMW's and Mercedes have 21 watt bulbs in the side light circuits. This
bulb can take over in the event of a normal brakelight bulb failing. The
new Vectra and Saab 93 have very complex electrics, and there are other
reasons why you should not draw current directly from a vehicles supply to
The new Range Rover will lower itself 40mm at motorway speeds if the OE plug
in kit isn't used. This could be disastrous with a double axle in
Point taken, I hadn't thought of that type of "multiplex", I am more used to
the system used in communications.
However, you don't refer to any Citroen models, and this is a Citroen forum.
As far as I can tell, my "multiplex" Xsara has standard dual filament
stop/tail bulbs, so it appears that at least this part of the wiring is more
conventional. The indicators might present a problem, as they appear to be
controlled by the ecu.
I didn't realise I was writing to a Citroen newsgroup! I picked your
message up on uk.rec.caravanning.
The Citroen Xsara Picasso does seem to have a robust system which will stand
the load of extra trailer lights, however, there is a word of caution. The
vehicles digital speedo shares the same fuse as the foglight circuit. Blow
the fog light fuse and you lose your speedo! Not the best design........
I would use a bypass relay on the foglight circuit to prevent this
happening. For details have a look at
http://www.towitall.co.uk/trailer_wiring/instructions.htm and scroll down to
"Single bulb failure bypass relay wiring instruction ".
hope this helps.......
As far as I am aware, it is the reversing light that shares the speedo
fuse, not the foglight?
I certainly have had no problems with 2000-2002 model Picassos wiring
the fog straight into the loom, models 2002- I have always used a bypass
relay on all circuits.
On a note to anyone reading this on the Picasso - do not use the thick
beige live wire on the nearside as a power take-off.
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