If that is an automatic transmission, pull the dipstick and read it, it will tell what fluid to use.
Dextron
It is important to maintain the fluid levels in a car, and it is important to put the right type of fluids in the car as well. A 1989 Chevy Pick up uses Dexron III transmission fluid.
Dextron 2 or 3 will work
The 1988 Toyota Pickup typically requires Type T or Dexron II automatic transmission fluid. It's essential to check the owner’s manual for specific recommendations, as fluid specifications can vary based on the transmission type. Using the correct fluid is crucial for optimal performance and longevity of the transmission.
Chevy did not use a transmission drain plug on that year. You MUST remove the Big medal pan, The one that has all the small bolts holding it to the bottom of the transmission. It will be full of fluid... Be sure to have a LARGE drain pan.
What are you calling a regular transmission.
The best way to confirm the type of transmission fluid to use in a 1989 Isuzu pick up is to refer to the owner manual. A retailer who sells the transmission fluid will be able to advise the correct purchase.
Manual transmission fluid type ....... MERCON automatic transmission fluid. - Haynes Manual #36071 - 1993-2005 Ford Ranger Pick-ups.
Inside the distributor.
Yes. Those 2 years are the same.
From Haynes Repair manual #36071, 1993-2005 Ford Ranger Pick-ups and 1994-2005 Mazda B-Series Pick-ups: Autotamatic transmission fluid: 1997 and later = MERCON V automatic transmission fluid Manual transmission lubricant type: MERCON automatic transmission fluid
+4 trans fluid