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What is an RR?willandrip wrote:Are both coils showing the same amount of spark at all 4 plugs?
It sounds like one of the coils is not getting sufficient signal from the TCI unit..
I do know the TCI units are susceptible to reverse polarity damage but all you say you did was earth out the positive lead on the main harness.
If anything it would be the RR that would sustain damage in that case.
I would hope the 2 fuses would have prevented that though, especially as you say both were blown.
The most important information is volunteered at the end of the thread !thatvwtech wrote:I also just realized the battery has been boiling over. This will be the second time I had to put distilled water in it. So besides the VRR what else could I have damaged? All my lights blew out too