Where is the flasher located in a 1990 Chevy Silverado 1500?

The flasher relay in a 1990 Chevy Silverado 1500 is typically located under the dashboard, on the driver's side. It's often in a fuse block or relay center. However, the exact location can vary slightly depending on the trim level and options of your specific truck.

To be certain, you should:

1. Consult your owner's manual: This is the best resource for the exact location in your vehicle.

2. Check the fuse block diagrams: There are often diagrams printed on the inside of the fuse block cover showing the location of relays.

3. Look for a relay that's roughly the same size and shape as other relays: Turn signal flasher relays are usually square or rectangular and about an inch or so in size.

If you can't find it after checking these locations, a search online for "1990 Chevy Silverado 1500 turn signal flasher relay location" with images might help. Remember to disconnect the negative battery terminal before working with electrical components.