Originally Posted by Wharbone

Came here to post this.

My friend had this problem on his truck last week. Like with you, we would only hear a single click and that was all. The single click we heard was coming from the relay, not starter.

After I wacked his starter with a hammer, it started right up.

Originally Posted by Nightshade

Older gen Toyota trucks are notorious for needing the starter tapped once in a while.