Forgot to ask , is this a metal case relay and internally grounded to the
case? if not it may not matter if you switch 85 & 86 but some are polarity
conscious. If the directions were clear it is best to follow them.
Leo
-----Original Message-----
From: William M. Gilroy <wmgilroy@lucent.com>
To: spridgets <spridgets@autox.team.net>
Date: Thursday, September 16, 1999 9:28 PM
Subject: Relay question
>
>I have a rather stupid question about relays and I am sure someone
>on the list can help. Here goes. I have a 30 amp relay that
>has the following markings on the terminals: 30, 85, 86, 87, 87A.
>My understanding of the terminals is this:
>
>30 = power into the relay
>85 = power that cause the relay to switch
>86 = ground for 85 and relay
>87a = power when the relay is inactive
>87 = power when the relay is active (when there is power on 85)
>
>My question is have I correcttly labeled 85 and 86? Does it matter
>if I reverse the power and ground on 85 and 86? Would that affect
>how the relay function. I would like to get this right the first
>time, that way my fuel pump will work.
>
>As for the fuel pump I went with a 3-5 PSI NAPA pump (it was
>made by Carter). I mounted it on the vertical hump that is in
>front of the rear axle. I was having trouble getting the pump,
>a fuel filter (the pump recommends a filter before the pump to
>prevent failure), and rubber hoses to fit in that tiny space
>neatly. What I finally found was a 90 degree street elbow that I
>screwed into the top of the pump. I then screwed a fuel filter
>into that street elbow. I then used rubber hoses on one end of
>the pump and on one end of the fuel filter. It fit together
>real nicely. I then ran the power to the pump thorough one of
>those black split PVC wiring looms. That should prevent a short
>caused by chaffing. All in all I am pleased with how the job
>turned out. All I have left is to hook up the relay and away I
>go.
>
>Bill Gilroy
>77 Midget
>90 Shar-Pei
>
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