R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 wiring coroded under ABS pump

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Old May 9, 2025 | 08:51 AM
  #1  
daveking's Avatar
daveking
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wiring coroded under ABS pump

Hi all
My ABS and handbrake warning light came on today.
I noticed under the Abs pump the are some coroded wires
and one wa broken.
I can solder it but cannot get down the gap to do so.
Is there any way i can unplug it and pull it up.
Another thing is why is the handbrake light on as well..

Thank you in advance.

Dave king
 
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Old May 9, 2025 | 09:01 AM
  #2  
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daveking
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Old May 11, 2025 | 07:53 PM
  #3  
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noodlesandsam
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Handbrake light - check the switch under the handle. Look at realoem.com, but you have some work to do. Get it cleaned up - figure out how many are broken, and which look like they are next. Disconnect at the abs end, and start. Good watertight shrink wrap after - but it got corroded somehow.
 
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Old May 12, 2025 | 09:38 AM
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Handbrake light is also triggered by the brake fluid level sensor. I'm willing to bet that's one of the damaged wires.
 
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Old May 13, 2025 | 05:48 AM
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After looking over my engine bay, it seems your only solution would be removing the ABS pump to gain enough room to solder. After fixing the wiring, reinstalling ABS pump and bleeding it with INPA or ISTA you should be good to go!

Best of luck
 
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