Quote:
Originally Posted by ray_mcavoy
Yes, you could replace the stock horn relay with a modern one. And yes, the junction block can be used to supply power to additional relays for an electric fuel pump, fans, etc.
I'd recommend using some fusible links or fuses (maybe even add in a little fuse block) to protect each of the added relay circuits that will be drawing power off the junction. And of course make sure to use a suitable gauge wire to feed power from the alternator to that junction. The existing wire running to the positive battery terminal will likely be okay unless you plan to run some heavy loads with the engine off. Adding a fusible link to the end of that wire (near where it attaches to the battery) is a good idea too (GM started doing that as factory equipment in 67).
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Yes. Fuses = no fires.
I’ve got some 4awg I’m going to run to junction block then to alternator. The relays will likely be something like 12 SWB or close.
Thanks for all your help.