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Mazda5 Electrical Problems

24 messages,  Last post on Nov 13, 2009 at 7:47 PM

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#20 of 24 Re: Baffling Electrics [bexter1] by vicenac Nov 09, 2009 (9:54 am)
Replying to: bexter1 (Nov 05, 2009 10:22 am) The needles behavior indicates low voltage in the dash. It happened to me twice in a Mazda when the battery was drained. All gages would go up and down.   I hope this clue helps. Replies to this message: bexter1 (Nov 09, 2009 1:08 pm) vicenac (Nov 13, 2009 11:16 am) bexter1 (Nov 13, 2009 11:41 am) and 1 more...
#21 of 24 Re: Baffling Electrics [vicenac] by bexter1 Nov 09, 2009 (1:08 pm)
Replying to: vicenac (Nov 09, 2009 9:54 am) That sounds possible, the garage haven't come up with a solution yet and they have had my car for 5 days, no joy. I will mention this to them tomorrow. Did you manage to sort the problem out? Thanks for the respose by the way Replies to this message: vicenac (Nov 13, 2009 11:16 am) bexter1 (Nov 13, 2009 11:41 am) vicenac (Nov 13, 2009 7:47 pm)
#22 of 24 Re: Baffling Electrics [bexter1] by vicenac Nov 13, 2009 (11:16 am)
Replying to: bexter1 (Nov 09, 2009 1:08 pm) Oh yeah! I fugured it out! I stoped leaving the lights on at night! I was just pointing out that the needles go up and down when there is low voltage in the dash. The cause in my case was a dead (almost) battery - user error.   In your case there could be a bad ground connection, a defective voltage regulator that suplies current to the instrument cluster or something else that lowers the tenssion. Replies to this message: bexter1 (Nov 13, 2009 11:41 am) vicenac (Nov 13, 2009 7:47 pm)
#23 of 24 Re: Baffling Electrics [vicenac] by bexter1 Nov 13, 2009 (11:41 am)
Replying to: vicenac (Nov 13, 2009 11:16 am) Got my car back today!!   One of the black covered wires to the dash (from underneath the manifold) had been cut somehow and was only allowing power through when the engine was in neutral or higher gears when it had less vibration. In lower gears the engine vibration was separating the two ends of the wire and causing the needles on the dash to go weird.   The guy at the garage (Simon) was made up that he had found the problem. I was pretty stoked too   Thanks for your help, the garage said it gave them the idea for looking at the wires. Replies to this message: vicenac (Nov 13, 2009 7:47 pm)
#24 of 24 Re: Baffling Electrics [bexter1] by vicenac Nov 13, 2009 (7:47 pm)
Replying to: bexter1 (Nov 13, 2009 11:41 am) HURRAY! I have a question of my own. I have a brand new 5. On the lower pannel over the left leg, driver side, very near the hood release, there is a small black... cube screwd on the plasric. There is a wire going from it in the back of the pannel. This seems to be added in hurry, like an after thought. It's not the ODB connector. Anybody knows what this is?

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