Since the dryer igniter is glowing, the fuse should be ok. I'd replace the coils. 97% bad coils / 3% bad gas valve.
-
Dryer coils for your Whirlpool.
- Breakdown diagrams for
Model LG7686XPW0
Also, as long as you're in there... Check the belt for cracks, replace if found (
dryer belt). Vacuum any lint inside the dryer.