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Old 04-03-2002, 11:57 PM   #1
Scooby Specialist
Member#: 5673
Join Date: Apr 2001
Location: Folsom, CA
16 Hellcat
05 LGT, 02 bug eye

Question disconnect battery, but keep power to ECU?

Is there a power line that I can hook a battery up to in a WRX so that the ECU won't reset even if I disconnect my car battery?
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Old 04-04-2002, 01:00 AM   #2
Scooby Newbie
Member#: 15770
Join Date: Feb 2002
Location: Calabasas, CA
2002 Impreza WRX
WR Blue Pearl


I've seen a little battery (9V), that is attached to a cigarette lighter plug. The idea is that you plug this into the cigarette lighter (or power plug), disconnect your battery, and it should keep critical items with power (radio, but only for station presets, clock, and the all important ECU). I have seen these around either on a web site such as IPD (www.ipdusa.com), or elsewhere. Don't be put off by the fact that IPD is a Volvo specialist, just hunt around the site.
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