take it to a stereo/alarm shop (preferably where you bought it from) and they will be able to help you.
If you have a owner's manual the directions might be in there. For my 2001 Escape that's where I found the answer
how to replace water pump on 2001 ford ranger
How many cold cranking amp do a 2001 ford ranger needs?
The 2001 Ford Ranger ( SuperCab ) is 73.8 liters / 19.5 U.S. gallons
Ford Ranger Edge
where is the wire for theft system 2000 ford ranger to bypass
repair manual fora front differential on a 2001 ford ranger edge
where is the cabinet air filter for 2001 ford ranger located
regular unleaded - 87 octane - for all 3 available engines on a 2001 Ford Ranger (Helpfull)
Motorcraft BXT - 59 for all available engines in a 2001 Ford Ranger
could you please help with telling me the firing order for 2001 ford ranger
For a 2001 Ford Ranger : The ( SuperCab ) gas tank holds ( 19.5 U.S. gallons )