“G” and “M” connectors on ’86 fuse panel

I had to read the wiring diagrams when I installed the fog lights 🙂 The group of (mostly unused) spade connectors on back of panel have some interesting properties, especially G10. Here is what I decoded, your van’s panel may be different, but I hope this list will be useful in thinking about power taps.

The male spade connector group designated “G” in “that manual” trace out as follows:

G1 – X bus controlled power, fused through S12 (20A) (on my van it has BK/Y wire connected which feeds warm air blower switch)
G2 – #15 ignition switched power fused through S18 (10A)
G3 – X bus controlled power, fused through S12 (20A)
G4 – D+ alternator trigger circuit via alt. led light
G5 – #15 ignition switched power fused through S18 (10A)
G6 – dead end
G7 – power when headlights on
G8 – dimmer controlled dash light power
G9 – license plate lights power fused through S20 (10A)
G10 – power when windshield wipers run

and the M connections close by:

M1 – connected to G7
M2 – power with lowbeams

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