Mazda MX-5 NA silhouetteMX-5 NA

Joint Connector & Ground Component Location

Z-19wiring diagram

A/T-only ground location is called out separately via the 'AT' inset detail in the engine-bay view.

WIRING DIAGRAM

Component LocationFig. fig1

Vehicle component-location chart Y-1 identifying joint connectors JC-01, JC-02, JC-03, JC-04 and associated ground points across the engine bay, instrument panel, and body interior. Used as the visual key for the joint connector & ground circuit diagram on the following page.

Composite vehicle component-location diagram labeled 'Y-1' showing joint connector and ground locations. Upper-left view: engine bay viewed from front three-quarter angle with engine harness and an A/T-only ground location detail (callout 'AT' on a small inset connector); callouts 2, 3 point to engine-bay grounds and JC-01 is labeled at the front fender area. Upper-right view: instrument panel back side showing JC-02, JC-03, JC-04 joint connectors mounted along the dash with callouts 1, 2 indicating mounting points. Lower-left view: full vehicle body cutaway showing interior harness routing with callout 7 pointing to a rear ground location. Lower-right view: instrument panel reverse side detail with callouts 5, 6 marking additional ground points along the dash structure.
Y-1
11(Front fender / engine bay — JC-01)
22(Engine-bay ground)
33(Engine-bay ground)
4AT(A/T-only inset (engine bay))
5JC-02(Instrument panel)
6JC-03(Instrument panel (upper))
7JC-04(Instrument panel (left))
85(Instrument panel reverse)
96(Instrument panel reverse)
107(Body interior / rear ground)

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