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Old 03-06-2018, 05:03 AM   #2
Bru
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Join Date: Apr 2010
Location: Tampa Bay
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Yes there is a bundle of ground connectors that bolt on to the intake manifold where the 2 manifold pieces meet. On my 87 Turbo with a manual transmission there are 2 copper pieces that the wires go into like a clip that bolts onto the intake manifold. One time I forgot to tighten that bolt and it acted very squirrely, dying randomly, etc. About the automatic Wiring, I cannot say, since I've never had one. You may be able to find something online at cygusx1 or in the back of a Toyota dealer shop manual for your year.

http://www.cygnusx1.net/Supra/Library/TSRM/MK3/

Last edited by Bru; 03-06-2018 at 05:05 AM. Reason: typo
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