Dashboard gauge and monitor systems are usually supplied to the coach manufacturer by the chassis builder , and information on the systems can be obtained by calling the chassis builder , who will supply info for free .
Freightliner ; free help line 1-800-385-4357
Spartan; motor home support 1-800-543-4277
99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.