Questions & Answers for: Ford Mustang how to test relays

1989 mustang horn problem no 12v at horns removed horn button test ohms button works no 12 at wires in the horn button check the horn relay the horn button grounds the relay

...didnt stay running... seems like gas isnt getting to the engine. The fuel pump fuse is fine, the test light lit when testing the fuse. Is this a fuel pump problem? if so how do i drop the fuel

can you have the fuel pump relay tested on 1995 5.0 mustang most of the relays are the same, swap it with another that looks the same.

relays in place. BTW: Here are steps for isolating problem when fan doesn't turn on when AC turned on (95 GT): Possible Source(s): § Constant Control Relay Module damaged. § Fan Control (FC)

...quit working while on road and electric seat stopped working all fuses look good but not sure about relays check relays and fuses with test light sometime look good but they are not. ...

i cannot get power to fuel pump on my 94 mustang gt...car died sudden while driving and the fuel pump will not cut on..only testing votage at 1.90volts when keys is turned on..i tested fuel pump..its ...

...Relays are the most common fail items too,as well as switches,bulbs,and many other components but if you notice,most of these items are relatively cheap.If you have any questions or need more ...

How to test blower motor switch 1995 mustang Blower motor works when connected directly to battery New blower motor resistor Low and high current fuses ok No power to motor when tested with test light

...test to be sure . VEHICLE RELAYS Operation Diagnosis Free wiring diagrams here http://www.bbbind.com/free-tsb Enter vehicle info. year , make , model an engine size . Under system click on body & ...

...that box, you'll find the A/C relay. If you're A/C isn't coming on, this could be the problem. To test it, swap it out with a relay next to it and see if it comes on. If it does, replace the relay. ...