[RAM MAN]

Here is some general info on what was included with the Camper and Camper Special packages on trucks from 1970 - 1980

The code for 1970 only was YB3

The code from 1973 - 1980 was YB4

There were 3 packages:

 

[RAM MAN]

The Camper 7500# (YB4) was available from 1973 - 1980

package included:

Camper Emblem 7500

Camper wiring harness

70 Ampere Hour Battery

Increased Cooling

Dual Electric Horns

Oil Pressure Gauge

Dual Lo Mount extended arm mirrors in Bright Finish

HD Variable load flaser

Sliding Rear Window

4500 Pounds capacity mechanical jack, with Camper 7500

 

[RAM MAN]

The Camper 9000# (YB5) was available from 1973 - 1980

Package included:

Camper Emblem 9000

Camper wiring harness

70 Ampere Hour Battery

Increased cooling

Dual Electric horns

Oil Pressure Gauge

Dual lo mount extended arm mirrors in Bright finish

HD Variable load flasher

Sliding rear window

 

[RAM MAN]

there was also the Camper 10000# package, code was YB6 - it was for 1980 ONLY


and it included basically the same things as listed above

Hope this helps