JeepOholic
Bassam Allaf posted an answer for this Cars & Trucks:
"You have probably connected the dash auxiliary wire with a wrong wire on the aftermarket..."
Bassam Allaf posted an answer for this 1996 Chevrolet Cavalier:
"2 things come to my mind. first I would check the fuel pump unit. Usually a bad fuel pump..."
Bassam Allaf posted an answer for this 2003 Jeep Wrangler:
"I know i have the same problem, and i also noticed than when i open the Hood the whistle..."