You should be able to see where the bulb housing screws into the back of the lens. You just unscrew the housing which contains the bulb. Replace the bulb carefully "DO NOT TOUCH THE GLASS END OF THE BULB WITH YOUR FINGERS" it will ruin the bulb.
1999 Isuzu trooper
The sister vehicle of the Isuzu Trooper is the Acura SLX
A 1999 to 2001 Acura SUV and a 1999 Isuzu Trooper are different vehicles with distinct dimensions and designs, meaning they are not directly interchangeable. The Acura SUVs from that era, such as the Acura MDX or RDX, have different body styles and specifications compared to the Isuzu Trooper. Therefore, parts or components from an Acura SUV are unlikely to fit a 1999 Isuzu Trooper without significant modifications.
In the fuel tank
Yes
blown fuse?
You don't check it you replace it. 1990-97 Replace at 60,000 miles 1998 Replace at 75,000 miles 1999 up Replace at 100,000 miles
how to set the timing on 3.5 liter engine on a trooper 98
ATF-III
Its under the intake
How do you replace a 1999 Ford Escort headlight bulb?"
if engine has 4 plugs buy 4 if engine has 6 plugs buy six