What are the different terminal numbers for relays?
In addition, the terminal numbering is different, using 1, 2, 3, 4 & 5 instead of 30, 85, 86, 87 & 87a. There are other relay designs that are used for some more complex applications in vehicle systems.
What kind of relay is used for make and break?
There are other contact configurations discussed below but make & break and changeover relays are the most commonly used.
How do you check the power on a relay switch?
If there is no power, use the lamp to check the input and output terminals on the switch. This will tell you if current is reaching the switch from the battery, and if the switch is passing the current when switched on. If there is power at the relay, use the tester on the relay earth terminal the second thin wire.
What happens when there is no power on a relay?
If there is no power, the fault is in the relay again — probably the contacts are burned or stuck in the open position. Burned contacts can also fuse together, so that they stick in the closed position, so the component does not switch off.
How do you find the ignition relay on a car?
When you locate the fuse box, open it and find the mapping on top of its lid. The key will tell you the exact position of the ignition relay as well as other relays and fuses. Once you have located the relay, gently pull on it to remove it from the fuse box. The relay looks like a rectangular block and is hard to miss.
What is the difference between normally open and normally closed relays?
Relay terminology. If the contact is broken with the relay at rest then the relay is referred to as Normally Open (NO) and if the contact is closed with the relay at rest then the relay is referred to as Normally Closed (NC). Normally Open relays are the more common type.
Where is the power window fuse relay located?
That doesn’t make sense…the owners manual says there is a relay labeled PWR/WDO and it shows it along with other relays labeled “relay side” every image I google shows this relay…also there is no fuse anywhere marked for that either…my window is down, its raining 🙁 any suggestions?