wirring problem


wroberts20

15+ Year Member

Joined
Jun 17, 2009
Messages
21
Points
3,101
City
ELIZABETHTON, TN
Vehicle Year
1986
Transmission
Automatic
i swapped a 92 explorer 4.0 into my 86 B2, i am getting fuel, it turns over, but no fire. i was told the check engine lite must be wired to the new harness to fire, is this true? if some one could tell me what conections they made in their swap it might help if i missed something. i am at a stand still and i miss driving my b2. thanks for any help.
 
when u turn key on the check engine light has to b on to have spark. if not check power at ur EEC relay. if powed make sure u r activateing the relay. test the egnition modual..
 

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