Join Date: Jan 2013
Location: Northern California
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An update on the "Hood Switch" issue.
Purchased a replacement switch from the nearest LR dealer (good news that the price exactly matches the best I could find on the internet, including e-bay; kudos to LR for reasonable pricing for this component).
Then attempted to remove the existing switch - without knowing the correct procedure, the best I could do was to break off the small tabs that lock it into place to release it from the metal frame across the top of the radiator. There is very little room to work here. Checked the switch with a multimeter when it was off and it was no longer working (i.e. didn't close the contacts) so proved the malfunction.
For anyone who cares, the switch is "NO" (normally open) and so when the hood is closed, the switch is also "closed" (i.e. the contacts connected).
The plug is "locked" into the switch but there is a small tab at the back of the plug, which when depressed unlocks the plug and enables the wires to be easily removed.
Then tried to replace the switch. Damn, it is tight in there. I still need assistance on how to get it into place. I've ordered the Workshop Manual on a CD from the UK but won't have that for at least a week, so if anyone knows how to get more access to the area where the switch is mounted, please, please let me know!
I have the replacement switch (yes, I tested it with the multimeter first to check it actually functioned) attached to the plug and have tape holding the contacts "closed" to fool the electronics, with the switch held away from anything important. After 10 hours, the alarm has not gone off, so I'm optimistic the random alarm situation is resolved but I'll only be confident about that when there have been no instances of it going off for about a week.
At the weekend, I may have another attempt to install the switch and clip it into place, though I don't see how I can remove the panel I need to get off in order to obtain better access, so the job is not yet completed.