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Relays, lights,fan

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clawhamer:
Hello, just a clarification on relays. #30 pole  10g wire direct to starter w/in line fuse.
Question;
   Can I use the same wire on another relay and just tap off of it, or run another wire to starter separately for EACH relay. I know not all relays won't be  on all at once, but just in case..


 And #86 pole is going to Acc. On ignition switch and those I'm bridging to all 4 relays. I think that's ok due to a low power draw.

And I'm a stickler for a great  GROUND

 Dash consists of:

 3 dash bulbs
 4 universal relays
 Fuel sender
 Amp meter
 Speedometer
 Water temp

I found some amazing Stewart Warner vintage gauges

Blackwater:
I'g go with a single #8 wire to a post/terminal and then drop #10s or #12s to the individual relays as required. Drop an equivalent ground for each relay..

Make sure you use a top quality temp relay.  I had one fail on the road and had to wire around it to get home!!

clawhamer:
I like the #8 to a post then #10 to each relay.

The ground for each relay I'm lost, the relay mount hole is plastic and no specific post designated for ground.  But the thermo switch  (my photo) goes to a good ground I think. Thanks for your help

Blackwater:
You can always establish a dedicated ground post near your relays!

lowboy:
With wiring I've kinda always did an overkill/ That maybe the ambulance building that caused that though. On the bug I used the Ford relay/ Fuse box and just traced the wires to each relay/fuse as needed

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