gz20 89 model boost guage wiring

[douglasamills]

hey guys does anyone know what colours on the loom are for ig on ,lights, i dont have a diagram or a test light present so i can wire up my boost guage

[douglasamills]

and i seem to get mixed reading i bought a saas boost guage and i tried to get a signal off the manifold but how has anyone else mounted there line on the 1ggte i need a adapter to mount on the spare nipple on the inlet manifold if im to use that,

[MZ21GT]

just T piece the boost line off any hose coming off the manifold.. easy

[Z2TT]

THere should be a blanked off vacuum fitting on the manifold that you can use.

[douglasamills]

all sorted now cheers for the help mate