Knock sensor wire is not replaced, just easier to work with it out of the way. Car started up and died after a minute as if it were out of gas. The clicking you hear is the sound of this relay. This relay may be used in a number of different places in your Volvo. More detailed info can be found at. This is what I recommend if you have an old Volvo and you have never taken the time to do this.
You can take apart the individual window switches and clean them out. See also the excellent of soldering techniques for more information about how to solder electronic boards. It was having intermittent starting issues, would be fine for a few days, then leave me stranded. Find out when it's time To find out if your vehicle should be brought into one of our dealerships, please enter your Vehicle Identification Number below. For whatever reason jumping the socket pins that the relay plugs into didn't give me any results, but bridging the 4th to 6th fuses did it's an 89. Apparently this part has gone through several updates.
Some good YouTube videos exist to help you learn how to solder: see especially. I'm mechanically inclined, yet can't believe I solved this one with your help with relays from Hungary. We replaced the alternator and the oil pressure sending wires rerouting them around the right side of the engine bay. But when I got home and started up the car, everything was fine, along with the fuses. Presentation of problem: Disintegrating insulation on wires exposed to high temperatures for long periods 10 years or more. Have since found the same issue on the Aux Fan relay connector. Since this is probably about the time Volvo found out about the problem, it looked to them like all the wires in the harness are bad.
This is supposed to mean there is a bulb out, but often it can be triggered by incorrect bulbs, mismatched bulbs, or even when one side has a newer bulb than the other. Relay and Fuse Panel Removal and Replacement. Gently squeeze the top and bottom of the cover before pulling it straight off. I'd encourage you to post on the various boards out there regarding Intermittent Stalling and Overdrive issues. I was originally going to bypass fuse 16 with an external fuse holder, but this fuse block was so bad I decided to replace it. Shorted circuits occur when the insulation between two wires fails. Just remove the old one, being careful at each connection - temp sensors, alt, oil press, etc.
Unless your car has over 200,000 miles on it, the only part of the central electrical unit that will be bad is the fuse holder for fuse 16. Also, a good source is Dave Barton and his super choice used harnesses. It has superior mechanical, temperature and radiation properties. Headlight Relay for 240 1986-93. Information and technical articles within this website are for reference only. I could not re-create it when searching or testing.
If you crack the cover, it's not a big deal, but just try to be gentle. On overdrive relays, I have never had to replace a relay with holes in it, it seems to help a lot. Volvo 240 Main Headlight Relay 1986-93 only. Your site helped a ton!! There is a difference in how the mounting bracket is attached. Well probably no surprise to you. When your diagnosis says that neither of those two things is happening, it's time to go hunting for that bad ground connection! Occasionally a cracked joint can become intermittent, but usually not.
This will provide power to your fuel injectors as if the relay was functioning normally and can get things running in an emergency. I blew the brains out of a 240 by mixing up two similar 3-prong connectors. The one to the right of it is the same Hella relay, used for high beam lighting. Should You Carry a Spare Fuel Pump Relay? If you ever get this problem. Repeat the test with the +ve lead on the blue wire in the open connector pin 3 -if you don't see 12 volts in the opposite position then the problem is in the blue wire circuit back to the driver door pod switch.
In this case I took your suggestion to the mechanic, and he admitted it would not have occurred to him. Obvious tampering should always create a red flag. In this momentary position, the current for the headlights comes from fuse 2. Even a stiff piece of piano wire can work for this step. Once the tab is released, the terminal can be removed from the connector.
A white plastic fuse puller tool should be included on the underside of the main electrical panel cover in the engine bay. You saved me from scrapping out a car that i truly enjoy to drive. The finished joint should be shiny. Next remove the two 25mm torx screws and gently pry up the assembly. If you jumper these terminals to 12+ and ground, the solenoids will lock or unlock.