0
Why does check engine light come on when electrical wires are hooked up for a trailer?
Wiki User
∙ 16y ago
You need to have the wiring checked right away before you damage something in the computer control system.
Someone has probably tapped into a wrong wire and until you know which wire was tapped into, you are risking damage to the vehicle's computer system.
The check engine light is a computer trouble code warning system.
Wiki User
∙ 16y ago
Add your answer:
Earn +20 pts
Where is the AIR hooked up on 1986 corvette from the check valve to the engine?
== ==
Can check engine light show after an engine is washed?
Yes, if water penetrated into an electrical connecter.Yes, if water penetrated into an electrical connecter.
Can a washed engine triger the check engine light to be on?
Yes, if water penetrated into an electrical connecter.Yes, if water penetrated into an electrical connecter.
The trailer lights don't work when the cars park lights are on but the wiring in the trailer is ok and the trailer uses a 7 pin plug and the cars trailer plug is wired to the left tail indicator light?
check the ground wire on the trailer. if it is corroded at all they may not work. take a file to where the ground wire is hooked up to make sure it is on bare metal
Does the Check Engine Light on a Chevy Cavalier have anything to do with the transmission?
Possibly. The check engin light (aka idiot light) is a 'catchall' indicator that something is wrong in the engine compartment, especially since the tranny is hooked up to the engine.
Dash light on shaped like an engine on 2005 Taurus?
That is a check engine light. It could be many things but it needs to be hooked to a diagnostic machine to determine what the problem is.
What does it mean if the transmission temperature light comes on after the check engine light comes on?
A low battery can cause the electrical system to flash check engine lights
how do i get a free travel trailer vin check ?
how do i get a free travel trailer vin check ???
What are the check engine codes for a 1985 Toyota 4runner?
There are hundreds of different codes that can cause the check engine light to come on. It needs to have a code reader hooked up to find out the specific code. Most auto parts stores will do this for free.
What is the common reason for missing engine?
An electrical fault, check the spark plug, distributor and leads.
F150 4.2 backfires and will almost start?
This engine is severely out of time or the spark plug wires are hooked up incorrectly. Check the link I am posting.
Where are the trailer brake controller fuses located on the 2003 Dodge 3500 with Cummins engine?
Check the under hood fuse box.
