You are correct. We do recommend the Upgraded Circuit Protected Taillight Converter Hardwire Kit, # 119178KIT, for your 1989 Volvo 240 Series Wagon. Vehicle specific installation instructions are not available due to the fact that this harness fits many vehicles. But there are general instructions which I will outline below.
First, you will need access to the wiring behind each tail light. Starting on the left (driver) side, you will need to find a place to mount the converter box. Then,... view full answer...
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