lights flicker when driveing...help plz 1985 step side

[coocooman01]

My first thought loose wire maybe groung.Replaced batterie cables.took my dash apart and have jiggled every wire i could find under truck.engine and
dah...ect.I can put it in park and jump up and down on it and all the lights flicker inside and out?????? Ive cked every wire i could find.....evan

 

[chevyman75]

its weird that all of the lights flicker rather then just the inside or out! it would almost have to be a main wire somewhere on the body shorting out..

 

[chengny]

Headlight switch is prone to failure. GM had a massive recall on this issue:

Recall 86V131000: Headlight Switch Defect

THE PUSH-PULL HEADLIGHT SWITCH MAY HAVE ELECTRICAL CONTACTS WHICH ALLOW AN INTERMITTENT HEADLIGHT CIRCUIT CAUSING HEADLIGHT TO FLICKER OR SUDDENLY GO OUT.

CONSEQUENCE OF DEFECT: SUDDEN LOSS OF THE HEADLIGHTS UNDER SEVERE WEATHER OR NIGHTTIME DRIVING CONDITIONS COULD REDUCE DRIVER VISIBILITY WHICH MIGHT RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING.

NOTE: ALSO, SEE NHTSA CAMPAIGN NUMBER 86V131000. REPLACE HEADLIGHT SWITCH AS NECESSARY.

SYSTEM: HEADLIGHT SWITCH.

VEHICLE DESCRIPTION: PASSENGER CARS, TRUCKS AND VANS.

1985 CHEVROLET TRUCK CHEVROLET TRUCK
1985 GMC GMC

1986 BUICK ESTATE
1986 CADILLAC CIMARRON
1986 CADILLAC DEVILLE
1986 CADILLAC FLEETWOOD
1986 CHEVROLET CAMARO
1986 CHEVROLET CAVALIER
1986 CHEVROLET CELEBRITY
1986 CHEVROLET CHEVETTE
1986 CHEVROLET CORVETTE
1986 CHEVROLET MONTE CARLO
1986 CHEVROLET TRUCK CHEVROLET TRUCK
1986 GM OF CANADA GM OF CANADA
1986 GMC GMC
1986 PONTIAC 1000
1986 PONTIAC 6000
1986 PONTIAC BONNEVILLE
1986 PONTIAC GRAND PRIX
1986 PONTIAC PARISIENNE
1986 PONTIAC SUNBIRD





THE PUSH PULL HEADLIGHT SWITCH MAY HAVE ELECTRICAL CONTACTS WHICH ALLOW AN INTERMITTENT HEADLIGHT CIRCUIT CAUSING HEADLIGHT TO FLICKER OR SUDDENLY GO OUT.

CONSEQUENCE OF DEFECT: SUDDEN LOSS OF THE HEADLIGHTS UNDER SEVERE WEATHER OR NIGHTTIME DRIVING CONDITIONS COULD REDUCE DRIVER VISIBILITY WHICH MIGHT RESULT IN A VEHICLE CRASH WITHOUT PRIOR WARNING. REPLACE HEADLIGHT SWITCH AS NECESSARY.

SYSTEM: HEADLIGHT SWITCH.

CONDITION

General Motors has determined that a defect which relates to motor vehicle safety exists in some 1986 Chevrolet Passenger Cars Medium Duty Trucks and 1985-1986 Light Duty Trucks. The push-pull headlight switch might have been manufactured with electrical contacts which could potentially result in an intermittent headlight circuit. An intermittent circuit could cause the headlights to suddenly go out. Sudden loss of the headlights under severe weather or nighttime driving conditions could reduce driver visibility which might result in a vehicle crash without prior warning.

 

[MrMarty51]

Check to make sure there is a body to engine grounding strap installed too.