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Re: This look right? (relay question)
[Re: Mr.Yuck]
#953984
03/21/11 12:16 PM
03/21/11 12:16 PM
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Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
1_WILD_RT
Management Trainee
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Management Trainee
Joined: Jan 2004
Posts: 27,347
Today? Who Knows?
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I would most likely hook terminal 86 up to the ballast resistor
terminal 30 is hooked to battery power (starter relay)
85 goes to ground
87 goes to your pump
It sounds like for what ever reason your chosen switched power source isn't getting power.... Reason I'd use the ballast is you don't want power in accessory position like most stuff under the dash... & the relay draws so little power it won't effect anything.... I you want to have a over-ride switch to shut the pump down hook it up to terminal 85 so the ground is eliminated.. If you decide to add a inertia (crash) switch it also would go in the terminal 85 lead...
"The Armies of our ancestors were lucky, in that they were not trailed by a second army of pencil pushers."
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Re: This look right? (relay question)
[Re: 1_WILD_RT]
#953985
03/21/11 12:25 PM
03/21/11 12:25 PM
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Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck
OP
Not enough dumb comments...yet
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OP
Not enough dumb comments...yet
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
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Quote:
I would most likely hook terminal 86 up to the ballast resistor
terminal 30 is hooked to battery power (starter relay)
85 goes to ground
87 goes to your pump
It sounds like for what ever reason your chosen switched power source isn't getting power.... Reason I'd use the ballast is you don't want power in accessory position like most stuff under the dash... & the relay draws so little power it won't effect anything.... I you want to have a over-ride switch to shut the pump down hook it up to terminal 85 so the ground is eliminated.. If you decide to add a inertia (crash) switch it also would go in the terminal 85 lead...
Never thought of using the ballast. either side work? I think the Schematic had 30 going to the pump, 85 was ground, and 86/87 was to power and switch, can't remember which was which.
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Re: This look right? (relay question)
[Re: Mr.Yuck]
#953986
03/21/11 01:02 PM
03/21/11 01:02 PM
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Joined: Feb 2008
Posts: 2,648
GA
Boosted
master
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master
Joined: Feb 2008
Posts: 2,648
GA
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I run a constant voltage soleniod on my car. There is no need for a relay then. The constant voltage soleniod will only need 9v to activate it. Yhe pump will get full power then. Just a thought..
I run both of my pumps off the constant voltage soleniod.
And no it is not a ford soleniod.. They are not intended for constant power.
2011 RAM3500
1967 Fastback Barracuda with some go fast goodies.
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Re: This look right? (relay question)
[Re: Mopar_Country]
#953988
03/21/11 03:13 PM
03/21/11 03:13 PM
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Joined: Mar 2007
Posts: 3,277
West Coast, USA
jbc426
master
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master
Joined: Mar 2007
Posts: 3,277
West Coast, USA
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This helps me when using relays. http://www.classictruckshop.com/clubs/earlyburbs/projects/bosch/relay.htmI used dual 40 amp relays on my pump as recommended by Product Engineering as their pump draws some heavy current.
1970 Plymouth 'Cuda #'s 440-6(block in storage)currently 493" 6 pack, Shaker, 5 speed Passon, 4.10's
1968 Plymouth Barracuda Convertible 408 Magnum EFI with 4 speed automatic overdrive, 3800 stall lock-up converter and 4.30's (closest thing to an automatic 5 speed going)
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