Technical Strange behaviour when brake pushed hard

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Technical Strange behaviour when brake pushed hard

500sportitalia

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May 19, 2016
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Mornin all,
I’ll get Straight into the problem.
Been a very well behaved car for a long time, no major problems, and looked after quite well, my wife’s had the Sport for some 12 years and doesn’t want to sell it either.
So, the other day, “fuel cut off not available” and the hill hold and esp messages, strange, power cycle, all off for a while, touched the brake, back on?
Ok, check the obvious, boot loom, I repaired in the past, couple more cracks but nowt major, make good, same fault.
Earth strap to gearbox, crusty, made anew one, not that, now I’ve noticed engine running, not moving, push brake pedal have all lights etc, push hard, ie to the floor, rev counter drops off, speedo goes to the bottom, have the red steering light on, ABS, asr the lot, foot off the brake, rev counter/speedo pop back up, steering light goes off?
Checked battery health, 87%SOH 99%SOC,
Engine running, headlights on, rear heater on, blower on full speed battery getting 13.8v (loaded) 14.1v no load,
Oh, new brake switch too so that’s out.
It’s got me puzzled I’ve got to say,
Some wise words from the collective would be greatly appreciated now.
 
Model
500 Sport
Year
2008
Mileage
110000
just a copy from another thread here around describing the same symptoms

Check the wiring loom where it enters the rear hatch; this is a common failure point...
I also have this problems since a few weeks :)

regards Jo
 
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