Reference: C1AZ-6731-A
Reference: WYK-HORSE
Brand: Mustangclinic Classic Mustang Parts
Reference: MC-Front-SN95
Reference: C5ZZ-65423A26-B FDM1020AS/20
Reference: 380552-S 11863 DC-380552-B(K) 700-399 HW150
Reference: 379831-S FDM1034AF 700-525BX 03954 45413
Reference: 654-64 3299-64
Reference: C5ZZ-6502906-BK
Reference: 375553-S DC-375553-K(1/15)
Reference: AR-SK-151
Wiring harness H4 relay headlights, Mustang 1964-1973
A simple solution for common problems with flickering light when converting to H4 or LED lamps.
The original light switch is not designed for the higher current of modern lamps, and the internal fuse trips.
With this cable set, the current is routed via relays instead of entirely through the light switch and the low beam switch.
The cable set can simply be plugged into the existing connectors without making any modifications.
Our video about the conversion: https://youtu.be/FUSdCg-Mw1U
Data sheet
Wiring harness H4 relay headlights, Mustang 1964-1973
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