[xj40] Re: [xj40] battery drain

In reply to a message from Butch Schneider sent Fri 14 Oct 2011:

Butch,

I’ve never seen such a thing. The only ‘repair’ I’m aware of
on that assembly is the replacement of the micro-switch.–
The original message included these comments:

On another issue, do you or anyone else have a diagram of the placement
of the wafers that are stacked on the rear of the hearter fan speed control
switch?


Bryan N, '91 Sovereign 4.0 L, RHD
Cambridgeshire, United Kingdom
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Bryan, jsut as I thought, alot of circuits to chase down. I willtake your
advice and try the door lock heaters first.
On another issue, do you or anyone else have a diagram of the placement
of the wafers that are stacked on the rear of the hearter fan speed control
switch?
Butch----- Original Message -----
From: “Bryan N” sophistic@btopenworld.com
To: xj40@jag-lovers.org
Sent: Friday, October 14, 2011 4:45 AM
Subject: Re: [xj40] battery drain

In reply to a message from Butch Schneider sent Thu 13 Oct 2011:

Butch,

By removing fuses #1 in the left and right fuse boxes I
believe you have eliminated the door guard lights and the
power windows and mirrors in the driver and front passenger
door switch packs.

Fuse #10 in the right side fuse box is a beaut!

Here are some of the things that the fuse serves ;-

  • Auxiliary side-light relay
  • Glove box lamp
  • Door guard relay (switching)
  • Dimmer switch (may explain your strange light thing)
  • Sun roof motor
  • A/C & Radio Relay (switching and power)
  • Door lock heater relay
  • Interior lights (roof, seat back etc)
  • Radio

Of all of those, I would bet the farm on the door lock
heater circuit being the cause of your excessive battery
drain. To prove/disprove that, pull the door lock heater
relay - the one in a black base on the passenger footwell
‘A’ post behind the trim and then conduct those tests again.


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