Electrical question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Senator350 · 01-13-2009, 10:50 AM

sorry if this is in the wrong place... but that 12v ign thread made me think of something.

I haven't done headlight relays yet, but more and more I see "Relay" mentioned in electrical threads. And, I'm about running out of terminals, what with my electric water pump, choke, fans, aftermarket heater, stereo, remote start, seat warmers, yada yada yada...

If I have to add a new fuse block (5 or 10 terminals) would it be acceptable to use a relay from my "ign fused" or "unfused" on my original fuse block to the new fuse block?

I have a high output alt (80-90 amps at idle) and a deep cycle battery. all wires and grounds are new, thick gauge, quality copper, with weather proof connections.

**LockDoc** · 01-13-2009, 12:53 PM

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I don't think I would. I would run a separate wire from the battery or the Bat terminal on the solenoid for it. Maybe someone else has a better way to do it. If so I hope they post it up....

LockDoc

Senator350 · 01-13-2009, 03:22 PM

Quote:

Originally Posted by LockDoc

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I don't think I would. I would run a separate wire from the battery or the Bat terminal on the solenoid for it. Maybe someone else has a better way to do it. If so I hope they post it up....

LockDoc

that would work for a non-ignition hot... like to a painless switch panel, but I want a lot of things to come on when the truck starts and runs, and I don't want to have to find some place for a 10 rocker switch panel.

Sinister · 01-13-2009, 01:31 PM

Use ignition fused to turn on the relay, power it from the battery, run your new fuse block off the relay.

Senator350 · 01-13-2009, 03:23 PM

Quote:

Originally Posted by Sinister

Use ignition fused to turn on the relay, power it from the battery, run your new fuse block off the relay.

That's what I had figured. if anything goes wrong, I have Sinister to blame

Sinister · 01-13-2009, 03:26 PM

LOL

Senator350 · 01-13-2009, 04:55 PM

BLING!!!

AND it's made in the US

Longhorn Man · 01-13-2009, 05:22 PM

you shouldn't need that much relay for a fuse box. a normal BOSH unit should do for most loads.

Senator350 · 01-13-2009, 05:55 PM

already needing to be on another block:

heated seats: 30-40 amps
5000cfm fans: up to 30 amps
electric fuel pump: 15 amps

I'm letting my original fuse block just handle my ignition, remote start, heater, and the relays to my water pump and lights. I really don't want to chance anything about my electric water pump. These things aren't tried and true for daily drivers, so I'll spend the coin on a nice relay and fuse bock. They'll travel well, too

01-13-2009, 10:50 AM	#1
Senator350 Registered User Join Date: Feb 2004 Location: Albany, NY Posts: 522	Electrical question sorry if this is in the wrong place... but that 12v ign thread made me think of something. I haven't done headlight relays yet, but more and more I see "Relay" mentioned in electrical threads. And, I'm about running out of terminals, what with my electric water pump, choke, fans, aftermarket heater, stereo, remote start, seat warmers, yada yada yada... If I have to add a new fuse block (5 or 10 terminals) would it be acceptable to use a relay from my "ign fused" or "unfused" on my original fuse block to the new fuse block? I have a high output alt (80-90 amps at idle) and a deep cycle battery. all wires and grounds are new, thick gauge, quality copper, with weather proof connections. __________________ RN U OVR

01-13-2009, 12:53 PM	#2
LockDoc The Older Generation Join Date: Aug 2006 Location: Montezuma, Iowa Posts: 25,772	Re: Electrical question - I don't think I would. I would run a separate wire from the battery or the Bat terminal on the solenoid for it. Maybe someone else has a better way to do it. If so I hope they post it up.... LockDoc __________________ Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 -

01-13-2009, 01:31 PM	#4
Sinister Between Trucks... Join Date: Mar 2002 Location: Los Angeles, CA. Posts: 3,830	Re: Electrical question Use ignition fused to turn on the relay, power it from the battery, run your new fuse block off the relay. __________________ Beat it to fit, Paint it to match...

01-13-2009, 03:26 PM	#6
Sinister Between Trucks... Join Date: Mar 2002 Location: Los Angeles, CA. Posts: 3,830	Re: Electrical question LOL __________________ Beat it to fit, Paint it to match... Last edited by Sinister; 01-13-2009 at 03:26 PM.

01-13-2009, 04:55 PM	#7
Senator350 Registered User Join Date: Feb 2004 Location: Albany, NY Posts: 522	Re: Electrical question BLING!!! AND it's made in the US __________________ RN U OVR

01-13-2009, 05:22 PM	#8
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,690	Re: Electrical question you shouldn't need that much relay for a fuse box. a normal BOSH unit should do for most loads. Last edited by Longhorn Man; 01-13-2009 at 05:22 PM.

01-13-2009, 05:55 PM	#9
Senator350 Registered User Join Date: Feb 2004 Location: Albany, NY Posts: 522	Re: Electrical question already needing to be on another block: heated seats: 30-40 amps 5000cfm fans: up to 30 amps electric fuel pump: 15 amps I'm letting my original fuse block just handle my ignition, remote start, heater, and the relays to my water pump and lights. I really don't want to chance anything about my electric water pump. These things aren't tried and true for daily drivers, so I'll spend the coin on a nice relay and fuse bock. They'll travel well, too __________________ RN U OVR Last edited by Senator350; 01-13-2009 at 06:07 PM.



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