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**VetteVet** · 12-10-2011, 02:46 AM

The purple and white wire in my 88 to 98 schematic goes to the cluster plug at point 10 and comes from the distributor connector and the ignition module. I can't tell what gauge it is but yours looks to be 12. I don't have an 87 diagram but the 85 and 86 ones I have don't show that wire.

If the green wire to the key switch is the temp wire it may be there to test the temp lite bulb when the key is turned on but not started.
Sorry I'm not much help.

12-10-2011, 02:46 AM	#11
VetteVet Msgt USAF Ret Join Date: Jan 2005 Location: Kalamazoo, Michigan Posts: 8,723	Re: Dash Electrical Help - 1987 V30 The purple and white wire in my 88 to 98 schematic goes to the cluster plug at point 10 and comes from the distributor connector and the ignition module. I can't tell what gauge it is but yours looks to be 12. I don't have an 87 diagram but the 85 and 86 ones I have don't show that wire. If the green wire to the key switch is the temp wire it may be there to test the temp lite bulb when the key is turned on but not started. Sorry I'm not much help. __________________ VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative.