This should help you all that can’t read the japanese manuals.
h1-a is for 90-91 non OBD cars. (vtec or non)
h2-b is for 92-95 OBD1 cars (vtec or non)
Make sure you connect the wires as shown in the diagram especially the ground wires. Brown is first, the black is second and farthest from ecu. Read your english safcI manuals too before doing anything. The ground wires are VERY important that you hook them up like the pic or you’ll screw up your expensive safc.
archivethis
SAFC II, SAFC 2, APEX-i, APEXI, limited edition, wiring diagram (put in for searching reasons)
