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michael vass
Frequent User
Username: mikebentleyturbo2

Post Number: 746
Registered: 07-2015
Posted on Thursday, 28 April, 2022 - 22:54:   Edit PostDelete PostView Post/Check IP

Hi all
Just repaired my cruise ECU 412212/4/1 following these instructions

https://youtu.be/3l5afTGiU-4

Now working great.

Mike
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Richard Greene
Frequent User
Username: benzjag

Post Number: 257
Registered: 12-2012
Posted on Friday, 29 April, 2022 - 00:16:   Edit PostDelete PostView Post/Check IP

Mike,

Awesome! Could you share where you got the capacitors (and part #s)? I will definitely try the repair as the cruise on my 89 Turbo R works sometimes! I also could repair my Mercedes cruise boxes. Any personal notes you could share on your repair? Again, thanks for sharing!

Richard
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Robert J. Sprauer
Frequent User
Username: wraithman

Post Number: 773
Registered: 11-2017
Posted on Friday, 29 April, 2022 - 02:23:   Edit PostDelete PostView Post/Check IP

Small orders of electronic components can be purchased from Digikey, Newark Electronics and Allied in the US and probably more.
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Mark Aldridge
Frequent User
Username: mark_aldridge

Post Number: 774
Registered: 10-2008
Posted on Friday, 29 April, 2022 - 08:19:   Edit PostDelete PostView Post/Check IP

Michael, where is the ECU located, neither my Bentley8 or Mulsanne s work.
Thanks Mark
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michael vass
Frequent User
Username: mikebentleyturbo2

Post Number: 747
Registered: 07-2015
Posted on Friday, 29 April, 2022 - 18:22:   Edit PostDelete PostView Post/Check IP

Hi all
The capacitors you need are 2x 22uF ,2x 10uF and 2x 2.2uF , I bought an assortment from ebay abut 3 item number 125198301871.I'll post a pic of the old ones. The box is fitted above the throttle pedal behind the fog light switch.
I thought my solder joints were fine but just reflowing them fixed it, just touch with a fine solder iron until just molten, took me about 45 mins . hope this helps
Mike
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michael vass
Frequent User
Username: mikebentleyturbo2

Post Number: 748
Registered: 07-2015
Posted on Friday, 29 April, 2022 - 18:39:   Edit PostDelete PostView Post/Check IP

cruise capacitors
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Richard Greene
Frequent User
Username: benzjag

Post Number: 258
Registered: 12-2012
Posted on Saturday, 30 April, 2022 - 11:37:   Edit PostDelete PostView Post/Check IP

Perfect, Mike! Much appreciation!

Richard

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