relay

Hi, I'm having problems with my Tyco 40/30A 5 prong relay running to my fuel pump. I have the 30 running from ACC with 12V going in. 86 is my ground, 85 in running into the IGN in my fuse block. 87 is running to the switch, then the switch to the fuel pump. The problem is that even though I...

ok im exhausted of reading old ads im sorry but im more confused than ever now. Ive read that the relay location on my 1973 nova hatchback is on the firewall by the master cylinder . Ok. So if that is my relay than what is this 3 wire electrical connector under the dash . It is a red / green /...

The heater blower circuit in my '66 SS has a relay in it that I don't see in either the '65 or '67 wiring diagrams (don't see a '66 diagram pinned). The heater blower on this '66 SS w/ factory AC doesn't blow on any speed. Using a meter, the switch seems to work properly as does the heater...

I need to test my horn relay to see if its any good. How do you test them? I have a muti meter I can use. Would you check for ohms or voltage to it?