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RussMcB · 03-23-2020

There is a "purple wire mod" discussed occasionally in ZR1.net. It allows you to make a more direct connection between the battery and starter, bypassing the clutch switch, VATS and ignition switch (sort of). It includes a relay that uses the signal from the ignition switch to send a strong 12v directly from the battery. A search should bring up details. It worked for me in 2015 and has been on my car since with no more no-start issues. Before then I tried the VATS bypass but it didn't help.

03-23-2020	#10
RussMcB Join Date: Jan 2015 Location: Marietta, GA USA Posts: 1,148	Re: Z won't start There is a "purple wire mod" discussed occasionally in ZR1.net. It allows you to make a more direct connection between the battery and starter, bypassing the clutch switch, VATS and ignition switch (sort of). It includes a relay that uses the signal from the ignition switch to send a strong 12v directly from the battery. A search should bring up details. It worked for me in 2015 and has been on my car since with no more no-start issues. Before then I tried the VATS bypass but it didn't help.