Toyota 4Runner Repair & Owners Manual - Wiring Diagrams The 4Runner SUV was put into serial production in 1984. The car was intended, first of all, for the American market (the version for Japan was called Hilux Surf). As a basis for creating the model was taken a pickup truck Hilux. Aldl Wiring 1997 Toyotum 4runner - Wiring Diagram Networks 1997 toyota 4runner service shop repair manual set oem 1997 toyota 4runner wiring diagram aldl wiring 1997 toyota 4runner aldl wiring 1997 toyota 4runner. 2002 4runner ewd471u m overall electrical wiring diagram 1 2 34 w l j 7 junction connector d gr b b l 14 ig1 2 2 22 mrel b r 2 1 see engine control system2 9 2 e 4 igsw cont. Factory Radio wiring diagrahm - Toyota 4Runner Forum THe factory system is a radio/ casette deck combo and below is a cd player. Coming out of the back of the radio is two plugs. One goes to the cd player. The other is a 15 pin plug. I found a 15 pin female plug online, however i need to know which pin on the factory wiring harness does what. Sorry photo of radio is upside down.