Every time I hit a bump my truck lose power and my speedometer jumps around then power come back anyone know what’swrong

643146

{"replyTo":"","text":"Don’t hit bumps.....no worries ","replyToPid":0}

332591

{"replyTo":"","text":"Could be one of the two Sam modules going bad ","replyToPid":0}

83379

{"replyTo":"","text":"Lol you driving a volvo?","replyToPid":0}

712925

{"replyTo":"

83379 发表于 2019-06-08 13:09:37 Lol you driving a volvo?

","text":"Yes I drive a 2004 Volvo ","replyToPid":59591}

712925

{"replyTo":"

643146 发表于 2019-06-08 12:22:05 Don’t hit bumps.....no worries

","text":"That’s impossible plus I like to keep the speed at 73 gotta roll ","replyToPid":59568}

712925

{"replyTo":"

713691 发表于 2019-06-08 07:12:26 should be right on the fire wall usually on the driver side

","text":"Ok ima start the truck and smack around the wires on the alternator the computer the battery and the distributor see if it shuts the engine off","replyToPid":59485}

713691

{"replyTo":"","text":"don't be too rough on her! 🤣","replyToPid":0}

83379

{"replyTo":"

712925 发表于 2019-06-08 13:20:02 Yes I drive a 2004 Volvo

","text":"You got a bad connection, possibly by the cluster, unscrew it and shake the wires while truck is on! Those volvos are known for having electric problems. Best of luck","replyToPid":59593}

957369

{"replyTo":"","text":"You are either losing ground to ecm or the power is grounding out. I a 12.7 Detroit and the hot wire going to my alternator cable going to the ecm would touch the block and shut the truck of like that. The it works for a week. Took me taking the dog box out and driving down a gravel road to find it. ","replyToPid":0}