Silly relay question and...

[Frankenchevy]

I’m at the death by a thousand cuts stage of putting my truck back together.

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I picked up a brand matching set of relays and the mounting holes are opposite each other. What’s going on here? Do I need to go back to Napa or are they all like this?

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Also, for whatever reason I can’t recall which holes the horn goes into. There is the larger body bolt that mounts it, along with an alignment tab. The are a set of holes that fit the spacing on both sides. I know mine was on the driver side, but wanted to confirm the location before I finalize the front harness and install the grill. Were dual horns an option?

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[eskimomann209]

I’d mount the relay holder then get the relays with the removable metal tab or the ones without tabs altogether
You don’t need to mount both

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[eskimomann209]

That’s a 78 core tho so maybe the holes are very different
I figured they’d be similar but I don’t see one in your core

 

[bucket]

I agree about the relays. Mount the harness and go tabless on the relays.

The 70's and 80's had the front harness routed differently, but yes, dual horns were an option.

 

[Frankenchevy]

Awesome, thank you! I’ll just trim off the relay’s tab.

I’m almost positive my horn is rotated 90 degrees from yours based on memory and available holes, though... mine’s mid 80s

Not that I didn’t like @Snoots reply in my build thread, lol.

 

[Craig 85]

Here's how mine are mounted.

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[Snoots]

Put a dab of dielectric grease in the relay connector. You won't regret it.
It helps keep water out and slows corrosion.

Notice I said 'helps' and 'slows'. Unless you use the road tar that GM uses in the firewall block.

 

[Frankenchevy]

Funny you mentioned it. I normally use it on on every electrical connection, but forgot to on those.

Will do, thanks for reminding me.