davidewanprice
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« on: March 09, 2007, 12:17:41 am » |
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Hi there im new to the forum and just got myself a Murena and loving it, from now on i'll be posting many stupid questions in the quest of improving my murena. Anyway my first question is about the heated rear sceen, is everyone elses totally in effective, it does work after 20 minutes but only just, can i do anything that will improve it? Thanks
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Anders Dinsen
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Posts: 3197
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« Reply #1 on: March 09, 2007, 08:49:40 am » |
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Hi David and welcome to the forum! and congratulations on your car! The first thing I think you should check is whether there's wet in the trunk. When the engine heats up, any moisture trapped in the carpet in the bottom with vaporise and make the situation worse back there. The next thing is whether the wind screen heater is receiving the power it needs. To check that, I suggest you turn on the heater, measure battery voltage at the battery, and then measure voltage across the heater. There shouldn't be that much difference. If there's more than 1V or so of difference, then there's likely to be a problem somewhere in the feed to the heater. You will notice that it is powered through the struts, so measure at the base of these too. And if that still doesn't show anything, then you need to measure at the power feed to the relay in the engine room. It's located at the fire wall, right side of the engine room. This relay is known to give problems since the environment is a little harsh down where it sits. This should get you started Cheers, Anders
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1982 Talbot Matra Murena 2.2 prep 142 (under restoration) 2017 BMW i3 "Charged Professional" 94Ah 2024 VW id.buzz Pro
Used to own: 2001 Renault Matra Grand Espace "The Race" V6 24v 1997 Renault Matra Espace 2.0 8V 1987 Renault Matra Espace J11 2.2
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davidewanprice
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« Reply #2 on: March 09, 2007, 07:09:43 pm » |
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Thanks for the quick advice, will try that. Many thanks
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davidewanprice
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« Reply #5 on: March 11, 2007, 07:29:32 pm » |
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The inner of the car as a whole is very dry, despite the fact ive no inner covers for the rear lights (of which i will be purchasing asap, i think politecnic do some) also i was given a device that is supposed to soak up excess moisture, seems to work, no i think its down to a loss in voltage somewhere, im going to spend some time over the next few days.......
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davidewanprice
Guest
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« Reply #11 on: March 15, 2007, 08:22:25 pm » |
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Another thing leant, i'll stick to the hand washing then, im supprised i dont get more water leaking in to the boot, my rear light covers have died a death several times over, has anyone bought the politecnic reproductions? i was thinking of making something but if they do the job i may invest.
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davidewanprice
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« Reply #12 on: August 10, 2007, 08:29:50 pm » |
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Ok ive finally used the multimeter (my friend!) on the rear sceen, at the base of the struts it reads 11.8 Volts, touching the metal at on either side of the screen the voltage drops by a volt (meaning some loss but still a working circuit). So if my voltage remains this high why is the effect of my heater so poor? any ideas? Is a loss of 1.2 volts enogh to loose function?
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