the ECU whines is this normal

[l3igl3ang]

yeah I've noticed the the ECU the computer under the hood gets very hot and whines even with the cars off for alittle while then quites is this normal? or is there something wrong and also if theres something wrong what could it make the car do and could i replace it with another from my wrecked talon there both sticks?

 

[hereitcomes]

ya this is normal.. it is the ECU cooling down and it makes that electronic buzz sound. My 95 ESi does that and I have a brand new OEM one in there. its legit.

 

[l3igl3ang]

ok just makeing sure cause i just got it back from the shop it craped out one day and would not start and it was missing real bad so i took it to the shop they looked and looked found nothing wrong ran fine for them they said my battary was shot and it was low on fuel and they fixed that and charged me $115 but it seems to be running ok now so i was just makeing sure it wasnt the ECU that caused it.

do you guys think a bad battary would cause it to miss and the motor stops and restarts when driveing like it would be at 3000k rpm then drop to 0 then back to 3000k.

 

[l3igl3ang]

well i think i figerd out what the redneck shop workers could'nt i went out and started the car it run for a bit and died im like WTF now and then i heard this click on the firewall so i went out and start messing with things and all sudden click again so i go back and the car starts right up so i go back out and wiggle on the fuel pump relay then car dies so it has to be a bad connection in the relay switch on the fire wall so my ? is should i cut the old relay off and re wire another on or is there another way to change them ?