lighting

[Ddavidd]

does anyone know if there's a reason that when I turn on the interior dash lights all the lights come on including the blinkers? and when you hit the foot dimmer switch and try to use the blinkers they work backwards. I've an through the wiring diagram and as for as I can see everything that should make the dash lights work is wired in accordingly. has anyone had a similar problem like this before? I'm thinking maybe voltage regulator but I don't think that would make the blinkers work backwards when the high beams are on? It's a 69 bronco.

 

[Broncobowsher]

Grounds. Do you have the insterment cluster out of the body? Or lots of fresh paint? In stock form the gauges and lights are grounded by attaching it to the dash. Without that anything powered is looking for a ground through what ever circuits it can find, "backfeeding" them.

The blinkers working backwards is often a bad ground or bad lighting in the front turn signal buckets. The bulbs should have 2 filiments and ground through the bucket grounded to the grill. Either a bad ground or using a single filiment lamp without a body ground.

 

[Ddavidd]

I have the instrument panel in the dash as well as the lighting switch. nothing but the headlights worked when it came into the shop and there was a lot of spliced wires and random colors connected together. I've retrace them and reconnected all the grounds and still nothing. do you think the blinker switch inside of the steering Colum could be responsible? the wiring diagram doesn't show me where the grounds should be so I'm not sure if I got them all.

 

[Ddavidd]

there was a loose ground on the body ground panel. I tightened it down and nothing happened. so I put a test light up tp the gauge cluster and poked he metal and it all started working fine ut of the blue. thanks for your help in helping me narrow it down. now I just have to find the rest of the loose grounds I hope that's it. thanks much!