89-91 Engine Harness Crossover Question
Do you actually mean the engine harness (driver-side with battery and transmission connections, etc...), or do you mean the emissions harness (ECU to engine sensors, etc...)? S5 NA to S5 NA in both cases?
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Joined: Nov 2001
Posts: 940
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From: Cape Canaveral FL
Oops, sorry. Emission harness that connects to ECU and all the sensors. Will an 89-91 NA emissions harness fit a manual NA 90 vert? I'm thinking yes but wanted an expert who is familiar with any differences to clarify. Thanks.
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trickster
2nd Generation Specific (1986-1992)
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Jul 1, 2023 04:40 PM



