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Registered
Join Date: Feb 2005
Posts: 27
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speed switch repair MFI
Anyone repaired the speed switch on an MFI system? If it is not repairable, where's a good deal? 72 911T, Thanks.
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09-07-2005, 04:24 PM
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If that is the rectagular silver box on on the back electrical panel....I have one in working condition that I do not use.
I run my MFI with no thrmostatic unit and not microswitch or speed switch. Where are you located? Bob
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Bob Hutson |
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09-07-2005, 05:35 PM
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Registered
Join Date: Dec 1999
Location: TX USA
Posts: 9,804
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Austen,
There has been quite a bit of material posted on the subject ... including a schematic and test circuit: 2.4 MFI idle intermitant prob MFI Shut Off Solenoid WARNING - All '69-on MFI Owners!!! Preventable Failure of $283 Speed Switch module!
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Warren Hall, Jr. 1973 911S Targa ... 'Annie' 1968 340S Barracuda ... 'Rolling Thunder' Last edited by Early_S_Man; 09-08-2005 at 08:13 PM.. |
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09-08-2005, 08:10 PM
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Moderator
Join Date: Dec 2001
Posts: 9,569
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Our friend from Texas is being characteristically modest. He actually reverse-engineered the schimtt trigger circuit and posted a complete circuit diagram!
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'66 911 #304065 Irischgruen ‘96 993 Carrera 2 Polarsilber '81 R65 Ex-'71 911 PCA C-Stock Club Racer #806 (Sold 5/15/13) Ex-'88 Carrera (Sold 3/29/02) Ex-'91 Carrera 2 Cabriolet (Sold 8/20/04) Ex-'89 944 Turbo S (Sold 8/21/20) |
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09-09-2005, 05:27 AM
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Harley
