 ecu question |
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 Apr 18, 2012 - 9:33 PM
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Enthusiast  Joined Feb 29, '12 From mississippi Currently Offline Reputation: 0 (0%)  |
what happens to a ecu if you forget to undo the battery cable when you install it?
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Apr 18, 2012 - 9:46 PM
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 Enthusiast Joined Oct 29, '11 From Haltom City, Texas Currently Offline Reputation: 1 (100%) |
Its just like - not using a running car to jump start a vehicle, always use a lone battery to jumpstart to prevent damage to both vehicles computers.
Damage doesnt necessarily happen, but it has happened to people before. You just do it to protect the electronics and eliminate the chances of shorting something out. I wouldnt worry about it unless you heard a pop or smelt something burning when you hooked it up. What happened to the JDM computer? Did it burn a wire on your harness that is killing power to the USDM computer? You should assume if it cooked the insulation on that wire that somewhere it blew out a fusible link or fuse and killed that circuit Have you tested the ground and power yet? This post has been edited by Special_Edy: Apr 18, 2012 - 9:54 PM |
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