What engine do you have?
Following info is best I have, but some owners cited may have overlooked a ground or a previous owner may have butchered the wiring.
"The original ground wire in mine had a flap crimped on it to bolt it to the frame, the end went to the block. I believe on the original motor was a strap that went from the intake to the firewall... but I'm not certain of that"
by 78Bronco460 in a 78 351M or 400M, but replaced with a 460.
"I noticed yesterday that I have a ground from the battery to the front of the block and nothing else. Should I have a ground from the block to the frame and one from the frame to the body or just stop at frame?
If I need one from the block to the frame then where is a good spot to do so?" by Ol' Blue 78 in a 78 351M or 400M
response, "You should have good robust ground straps connecting all three." by bmc69 in a 78 351M or 400M
"My battery grounds to the block, and I have a braided strap that runs from the back of the intake manifold to the firewall. Ideally there should be another ground wire/strap to the frame but my Bronco seems to get along well enough without one." by vmirmow in a 79 351M
"well to add, mine has a worn braided wire from back of intake to firewall, it is clearly visible with the air cleaner off. I couldn't find one to the frame either, but then again I wasn't looking to hard" by pretorian in a 79 351M
"Mine has the negative lead from the battery going to the frame just to the right of where the battery sit. I have a cable from battery to block near starter and then from back of driver side head to frame. I have one going from body to back of head " by mattoehler in a 79 400M
No pics by anyone. And it has gotten woorse because PHOTOBUCKET has just changed their Free photo sharing rules. So that any PB sourced pic in the past here or any other site is now gone.
Next time, please fill out your Signature with year, engine size, transmission type, transfer case type (manual or electric shift), locking hub type (automatic or manual) info & major mods such as a Lift, etc. for better responses.
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