Sorry i do not have pin schematics for the jdm 4 plug obd1 ecu. The engine i have is a b18c1 gsr from a 94 01 jdm integra.
Obd1 B Series Engine Into Obd2a Obd2b Civic Integra
Obd1 gsr wiring harness diagram. A b and d. This way you can simply plug in your obd1 gsr or del sol vtec motor with its harness right into your car. Made with quality oe style plugs this jumper harness will allow your obd0 honda to accept an obd1 or obd2 distributor. Take note of plugs. Saves you about 2 hrs worth of painful wiring and looks super clean. Obd2 budget d b series tucked engine harness.
14 possible pin harnesson the 92 civic with a nonvtec in it is a 9pin plug on the 93non vtec without the map sensor on the firewall its a 12 pin plug and on vtec cars where the map is on the top of the throttle body its a 14 pin plug depending on what model your car is and what harness you may not have this wire there. Its obd1 as far as i can tell here is a link to a similar motor to the one i bought. It is also a good idea to wrap the new wires in loom much like the stock harness parts are. In this video i will show you how to properly install your rywire vtec subharness if you are converting to obd1 and vtec. The 4 plug obd1 connector image below is proof these do exist and are usually found on jdm auto 92 95 civic integra and preludes. Obd2 mil spec d b series tucked engine harness.
The only difference between gsr and lsgs wiring is vtec. This way if you ever change chassis you will only need a new sub harness not a whole new wire loom. Each harness will come with a custom back side sub harness that will be proprietary to the chassis you choose on the drop down menu. Also your ecu will work for any obd1 92 95 integra chassis check years that was just a quick google search. All the harness plugs that came with it match my 95 civic cx exactly but they are backwards. Aftermarket ecus using obd2 plugs and non us obd2 ecus are compatible except for h22 and gsr stock computers.
Obd1 mil spec d b series tucked engine harness its twin for obd2 engine components. It retains the stock look and makes your swap look much more professional than simply duct taping wiring together. Obd1 plug configuration below is an example that shows the common onboard male connectors for a honda obd1 ecu. Yes the gsr wiring will work. Honda b series infinity 506508 68h mil spec engine harness. Im not sure how to tell what year the block was produced in but it is definetly a newer motor.
Honda parts heros video. Diagram 99 integra gsr engine harness installation wiring diagram ha motorsports ecu jumper harness for installing a jdm obd1 gsr automatic 4 plug ecu into an obd2a 1996 1999 integra auto chassis with the jdm gsr automatic transmission and. This obd0 to obd1 distributor jumper harness will make your next motor swap pain free.