I have been running a Link for about 6 years. Never lost my tuning once when 
disconnecting the battery. I disconnect it occasionally during the warm months 
and all winter long.

Steve
  ----- Original Message ----- 
  From: [EMAIL PROTECTED] 
  To: [email protected] 
  Sent: Saturday, March 22, 2008 8:48 AM
  Subject: Will this save LINK ECU Tuning programming if the car's battery 
isremoved?


  As a LINK owner, I've experienced the reset and loss of tuning that occurs 
when battery power is cut to the the ECU, as when replacing the car's battery.
  I'm wondering if the 9 volt battery device below is sufficient to retain the 
tuning info, so one doesn't have to retune after battery disconnect.  

  Also, it seems that it requires a "complete" disconnect to affect the ECU 
(battery replacement - no cables atttached to the battery), as when I've only 
disconnected the negative cable from the battery, the tuning has not been lost.
  Additionally, when the battery had drained to almost dead, the ECU settings 
have been retained.
  How does this work, exactly?  How little battery power is required to avoid 
loss of LINK ECU tuning?

        Battery By-Pass Tool - 
        Remove your battery without having to reprogram your Miata. This simple 
unit uses a 9 volt battery, hooks to the cigarette lighter, and saves your 
electronics.    

       MM026-BD Battery Bypass Tool 90-08  90-08 $14.95  






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