Technical Forum (Read Only) > Chassis Electrical and Ignition

89-91 Suburban, Blazer, Jimmy Quad Headlight Upgrade or Conversion Wiring

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VileZambonie:
For those who either want to upgrade their quad headlight wiring to a relay-powered system that also turns on all 4 headlights or for someone looking to do the conversion and wants to upgrade the wiring at the same time, here is a diagram I made with some before & after results:

You can also use this for any other similar application such as offroad lights

Pix:
Factory low beams
Relay-powered low beams
Factory high beams
Relay-powered high beams

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