Step 1: Unwrap the black protective plastic and tape from the harness Note: Refer to the attached document to see an ECU pinout for the 90-94 wire harness Steps for 90-94 Legacy Wire Harness Conversion A 15 amp and 30 amp fuse holder and fuses (Local auto parts store) Heat-shrink rubber tubing for electrical wiresĩ. Solder (make sure it is proper size for electronics)ħ. Learning how to solder is easy as you will see in the video below.Ĥ. If you don’t know what solder is, then it may take you a couple hours longer. So, my estimate for an entire harness conversion is that it may take you approximately 16 hours. I did not stress out and there was no “Hell”. I decided to spread the work over the course of a week spending only a couple hours each day. The bulk of the work is in unwrapping and re-wrapping the wires. But if you are in a hurry, it can be done. As a wiring newbie I would not attempt an entire wire harness conversion in two days. If you have soldered wires before, then this should be a breeze and may only take you 16 hours total. Obviously, the wire harness conversion will take everyone different amounts of time. Time Necessary and Step Overview for Subaru Wire Harness Conversion The following article uses a 90-94 wiring harness and engine for the example. There are pros and cons to both systems, so you will have to decide for yourself. So, you are faced with the question of which year Subaru engine to use. In 1995+ Subaru cars switched from OBD1 to OBD2. This allows a technician, that’s you, to plug into the car’s computer and determine fault codes. The biggest difference between 90-94 and 95+ harnesses is OBD1 and OBD2 respectively. Ok, seriously though, check out these easy steps and tell yourself “Wires are your friend”.ĭifferences between 1990-19+ Wiring Harness Find a table, a room in your house, a cup of coffee, and breathe deep ….now release. For me, this is the relaxing and mentally engaging part of the conversion. First of all, this step does not take as long as you would expect and if you work indoors you may not even break a sweat. We would like to propose that although wires are sometimes intimidating, this step in the conversion process does not have to be a stressful one. I am sure you have probably heard this step referred to as “Wire Hell”. If you decide this part of the project just isn't for you, have us complete the harness for you: Subaru Wiring Harness Conversion For a slightly updated (but still years old) video series on the subject check out this YouTube series: Wiring Harness Conversion Playlist Part 3 - Create SubaruVanagon Wire HarnessĪ couple notes - This article was written many many years ago.
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