I am having a problem with my electrics in general. Here is what's happening:
A. While driving (daytime) occasionally my dash lights, needles and radio lose power momentarily. General while slowing down (braking).
B. While driving (at night) the same thing happens but the headlights go out too. I have been trying to figure it out by doing certain things (i.e. Turning on Auto climate control, front windscreen demister, winding rear windows down then up both on their own and together). By following these steps I lose electrics as described above. But the odd thing is it is intermittent. Some days it's fine, some days it goes absolutely mad.

I have a feeling it's a power drain. My dealer replaced the battery and ignition barrell a few months ago and the problem went away, however about a month and a half later they came back slowly. (meaning - it started with just the radio electrics going off (momentarily) then it moved to both the headlights and the radio and then the dash (incl. needles). I also think the alternator may have an intermittent fault. Although while parked but running it produces the correct voltages as does the new battery.

Has anyone had this problem? Or does anyone have a solution or idea as to what is causing this. It is very frustrating and dangerous but my dealer has no idea and say it will cost a small fortune to diagnose.

Please Help.

My experience is: Check the ground (- negative) cable at both ends, and it's full length... it may be broken at either connector, or somewhere in between.

Check/replace the ignition switch:

https://www.askmehelpdesk.com/cars-trucks/faq-how-troubleshoot-repair-maintain-hondas-46563-2.html#post224652

Ignition switch was replaced in January. So the dealer said!! Do you think it may have gone fault again?

(-negative) Ground cable - Is this the one from the battery to the vehicle engine wall?

Ignition switch was replaced in January. So the dealer said!!!! Do you think it may have gone fault again?

(-negative) Ground cable - Is this the one from the battery to the vehicle engine wall?


In most cases "yes". Multi-stranded cable (specially aluminium) is notorious for flexing, and breaking during use. Manufacturers continue to utilize it, because it's cheap...

I have the Same problem with my honda accord euro 2005, I have been told ignition switch also. I am curious as to if your problem has been fixed yet?

I have the EXACT same problem with my honda accord euro 2005, I have been told ignition switch also. I am curious as to if your problem has been fixed yet?

Sorry everyone my issue has been resolved. Got a thick black earth cable installed from engine to battery earth (negative) terminal. Works a treat. No problems for 8 months now.

mattm30, thanks for the update, which should help others. Periodically, I remove, clean, and apply dielectric grease to all grounds.

Thanks very much rsain2004! You saved me at least $286AUD, and maybe $2000AUD!

You are welcome, all the best.