Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1984HORIZON BASE, 1.6 AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 20 (ENGINE CONTROLS - TESTS W/CODES - BODY CONTROL COMPUTER)VEHICLE COMMUNICATIONS TESTSTEST 7G - SHORT TO BATTERY
1984 Plymouth Horizon Base, 1.6 A
Test 7G - Short To Battery
1984 Plymouth Horizon Base, 1.6 ASECTION Test 7G - Short To Battery
WARNING: This page is about a different car, the 1994 Eagle Vision, 1994 Dodge Intrepid, 1994 Chrysler New Yorker, 1994 Chrysler LHS, and 1994 Chrysler Concorde. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For connector terminal identification, see CONNECTOR IDENTIFICATION
. For wiring diagram, see WIRING DIAGRAMS
. After each repair, perform TEST VER-1.
- Using an external ohmmeter, check resistance between Body Control Module (BCM) Gray connector terminal No. 6 (Tan wire) and BCM Bone connector terminal No. 8 (Violet/Brown wire). If resistance is less than 5 ohms, repair short between Tan wire and Violet/Brown wire.
- If resistance is more than 5 ohms, check resistance between BCM Gray connector terminal No. 6 (Tan wire) and BCM Bone connector terminal No. 7 (White/Black wire). If resistance is less than 5 ohms, repair short between Tan wire and White/Black wire.
- If resistance is more than 5 ohms, check resistance between BCM Gray connector terminal No. 3 (Tan/Red wire) and BCM Bone connector terminal No. 8 (Violet/Brown wire). If resistance is less than 5 ohms, repair short between Tan/Red wire and Violet/Brown wire.
- If resistance is more than 5 ohms, check resistance between BCM Gray connector terminal No. 3 (Tan/Red wire) and BCM Bone connector terminal No. 7 (White/Black wire). If resistance is less than 5 ohms, repair short between Tan/Red wire and White/Black wire.
- If resistance is more than 5 ohms, check resistance between BCM Bone connector terminals No. 5 (Yellow/Red wire) and No. 8 (Violet/Brown wire). If resistance is less than 5 ohms, repair short between Yellow/Red wire and Violet/Brown wire.
- If resistance is more than 5 ohms, check resistance between BCM bone connector terminals No. 5 (Yellow/Red wire) and No. 7 (White/Black wire). If resistance is less than 5 ohms, repair short between Yellow/Red wire and White/Black wire.
- If resistance is more than 5 ohms, using DRB in ohmmeter mode, check resistance of BCM Bone connector terminal No. 14 (Black/Light Green wire). If resistance is more than 5 ohms, repair open Black/Light Green wire.
- If resistance is less than 5 ohms, check resistance of BCM bone connector terminal No. 15 (Gray/Tan wire). If resistance is more than 5 ohms, repair open Gray/Tan wire. If resistance is less than 5 ohms, replace BCM.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.