I Have a 1988 Mack Body type/Model FB 8 ton Truck with Electric lift tailgate. My 2 batteries have been stolen and I am left with the problem of how to hook up the new batteries. I have a large Red cable, a large Black cable, a medium black cable and a short jumper cable.
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Really bad idea. This will cost you lower fuel mileage, danger of cargo loss. Mythbusters have run tests proving that the aero effects with the tailgate up form a cushion of air in the bed which reduces drag. None of my business I know.
1988 was the start of a new truck design so you will have to go newer when you go looking for a parts truck. For body parts you can use the 1500, 2500 and 3500. They all use the same cab and box unless the 1 ton is a dually. Suspension parts and rear ends have to come from a 1500. The others are different but you could also use them if you wanted to upgrade to a heavier suspension. Mechanically all three are the same, motors, transmissions although the 1 ton may have options that weren;t available in the half ton. You can even go to the full size cars ( Caprice) for an engine nor transmission.
Truck designs are usually good for 10 years but there are upgrades and changes over that time so as you get closer to the end of the run there is a greater chance that some parts may not fit. Try to keep within 2-4 years of your truck and you should have a good assortment of usable parts. Hope this helps.
you shoud have the firing order molded on the intake manifold just in front of throtle body. the firing order is 1-8-4-3-6-5-7-2 ......cylinder numbers on your left side are (driver side) 1-3-5-7 your right side is 2-4-6-8... move your crank shaft pulley until "0" degrees on the mark. open distributor cap see wich one is the rotor pointing to thats number plug number one.....you have question ask me writye me back.
is the check engine light on and if so what are the codes
on that model check to see if the map is getting vacuum if it is not getting vacuum the map sensor port at the throttle body is plugged very common
On the truck body there is bolt potruding. On the tailgate, there is a hook that when pushed against the bolt, will shift to grab the bolt and hold the gate closed. This hook can shift just enough to bang against the bolt instead of hooking it. Use your finger or a screwdriver to push the hook back (or down). You should be good to go.