By the way, I forgot to tell you that if you want to buy a new one, LMC Truck has them for about 40.00.
Their number is 1-800-222-5664 or on line at
www.LMCtruck.com
they are listed on page 50 of their 2003 fall edition catalog for 1973-87 trucks.
Just in case you are looking to buy a new one.
later.
al