Pontiac 15803671 Relay Assembly, Hazard Lamp & Turn Signal Lamp

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The 2005 and 2006 models have a combination flasher that is built-in with the hazard flasher switch; it activates the turn signals when the turn signal switch is operated. On the other hand, it will operate all four of them by operating the hazard flasher switch situated between the center vents on the instrument panel. The click can be heard when this unit is working well. The preliminary indication of a defective turn signal bulb could come from one side flashing much faster than normal. However, lack of blinking in both turn signals may suggest different things such as: blown fuse, broken flasher unit, faulty switch or loose/open connection. In case you realize that your turn signal fuse has been blown up after doing some quick check-up in your fuse box, always check for short wires before installing a new fuse. These models use a type of combination flasher unit containing complex internal circuitry which cannot be tested using standard electrical test equipment units. Make sure you test it first before changing over to another known good flasher unit. To take out the flasher/emergency flasher switch remove the center instrument panel trim bezel first. Finally disconnect its electrical connector then release its tabs or undo fasteners as necessary to slide out through front of trim bezel. Then put it back when you are through removing it. For instance, there isn't any turn signal and hazard flasher relay module in any of these vehicles since they were manufactured after year 2007 onwards (inclusive). This is done by a device referred to as an BCM (Body Control Module). When one lamp at an end on one vehicle side flashes more quickly than usual while another at opposite end doesn't light at all; then possibly there's something wrong with those unflashing bulbs themselves simply replace them respectively. If none of these bulbs blink either left or right front rear ones do not worry yourself just get hold of a service dealer where there will be a proper tool for replacing the turn signal & hazard flasher relay within your BCM. The best place to get it replaced is at a dealership or repair facility with the right tools; this job cannot be done at home because the BCM must be programmed utilizing a factory scan tool after being installed.

Relay control circuits are typically represented by terminals 85 and 86, connecting to the relay coil. Terminal 86 is connected to battery positive (B+) voltage, while terminal 85 is connected to ground in the presence of a diode or resistor.