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*Do not ground the circuit board of the Can/Am Box.
How to wire a 89-91 Nissan KA24E into a Datsun 620, but applies to most anything in general. Maybe your Datsun L-Series boat or forklift needs an upgrade?
Wiring harness walkthrough as well as ECU Diagram explanation.
Bypassing the stock 620 Voltage regulator for an Internal Regulated alternator on the KA.
Using the stock 620 system to keep the gauges working as well as the stock ignition switch.
Links:
Thanks to Jeff/Icehouse for starting ratsun.net, this thread and general sharing of Datsun/Nissan knowlege. I got most of what is in this video from this thread, thanks also to those that contributed.
How to wire a KA, CA, SR, and VG into anything
ratsun.net/top...
Diagram Links - some of these are large for detail and may take time to load
Some are direct from the Service Manual, others are downloaded from here and there.
Verify your wiring with the diagrams from the service manuals of the vehicles involved in the swap.
89-90 KA24E EFI Harness
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89-90 KA24E ECU Diagram
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89-90 KA24E ECU Pinout Diagram - This was found thru google, thanks to whomever di the hard work.
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89-90 KA24E Relay and Can/Am wiring. This is showing 2 methods of integration.
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1974 Datsun 620 Wiring Diagram
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1974 Datsun 620 Voltage Regulator Bypass Wiring
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1974 Datsun 620 to KA Ignition Wiring
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1974 Datsun 620 Wiring to KA24E Start and Dash integration
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1977 Datsun 620 Wiring Diagram
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Wiring Specialties has all sorts of Nissan connectors.
They also build complete new harnesses.
These are the connectors that allow you to run an uncut 240SX Engine Harness
RHD 180sx S13 Dash Interface Male connector - Engine harness side
www.wiringspec...
S13 240sx Power Interface Connector MALE
www.wiringspec...
Brown 240sx S13 Chassis Interface Connector MALE
www.wiringspec...
Datsun Service Manuals
www.nicoclub.c...
Auomotive Wire Size Calculator
www.wirebarn.c...