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Joint connector & ground circuit (Federal & California)

Z-18wiring diagram

Federal & California spec (49-state + California emissions).

Z Wiring Diagram — Joint Connector & Ground Circuit (Federal & California)

Joint connectors JC-01 to JC-04 pinouts
Component LocationFig. fig1

Ground-circuit routing of joint connectors JC-01..JC-04 (groups 1–4) plus single ground points 5–7 across the FRONT HARNESS, INSTRUMENT PANEL HARNESS, and REAR HARNESS.

Top portion: pinouts of four joint connectors (female side) JC-01..JC-04 with wire colour codes shown in each cavity. JC-01 has 5 cavities all 'B' (Black). JC-02 has 6 cavities, two rows of three, all 'B/LG' (Black with Light Green stripe). JC-03 has 6 cavities, two rows of three; first column '*' (no terminal), second & third columns 'B'. JC-04 has 5 cavities: B, B, B/G, B, B/R. Caption: 'WIRING ORDER INTO THE JOINT CONNECTOR MAY BE CHANGED'. Bottom portion: ground-circuit routing diagram showing joint connectors JC-01..JC-04 fed from groups 1..4 of the FRONT HARNESS, plus single ground points 5, 6 (INSTRUMENT PANEL HARNESS), 7 (REAR HARNESS).
Y-1
11(FRONT HARNESS (feeding JC-01))
22(FRONT HARNESS (feeding JC-02))
33(FRONT HARNESS (feeding JC-03))
44(FRONT HARNESS (feeding JC-04))
55(FRONT HARNESS (single ground point))
66(INSTRUMENT PANEL HARNESS (single ground point))
77(REAR HARNESS (single ground point))

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